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In philosophy, the term idealism identifies and describes metaphysical perspectives which assert that
reality Reality is the sum or aggregate of all that is real or existent within a system, as opposed to that which is only imaginary. The term is also used to refer to the ontological status of things, indicating their existence. In physical terms, rea ...
is indistinguishable and inseparable from
perception Perception () is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment. All perception involves signals that go through the nervous system ...
and understanding; that reality is a mental construct closely connected to ideas. Idealist perspectives are in two categories:
subjective idealism Subjective idealism, or empirical idealism, is a form of philosophical monism that holds that only minds and mental contents exist. It entails and is generally identified or associated with immaterialism, the doctrine that material things do n ...
, which proposes that a material object exists only to the extent that a human being perceives the object; and objective idealism, which proposes the existence of an ''objective'' consciousness that exists prior to and independently of human consciousness, thus the existence of the object is independent of human perception. The philosopher George Berkeley said that the essence of an object is to be perceived. By contrast, Immanuel Kant said that idealism "does not concern the existence of things", but that "our modes of representation" of things such as ''space'' and ''time'' are not "determinations that belong to things in themselves", but are essential features of the human mind. In the philosophy of " transcendental idealism" Kant proposes that the objects of experience relied upon their existence in the human mind that perceives the objects, and that the nature of the thing-in-itself is external to human experience, and cannot be conceived without the application of
categories Category, plural categories, may refer to: Philosophy and general uses *Categorization, categories in cognitive science, information science and generally *Category of being * ''Categories'' (Aristotle) * Category (Kant) *Categories (Peirce) * ...
, which give structure to the human experience of reality. Epistemologically, idealism is accompanied by philosophical skepticism about the possibility of knowing the existence of any ''thing'' that is independent of the human mind. Ontologically, idealism asserts that the existence of things depends upon the human mind; thus, ontological idealism rejects the perspectives of physicalism and dualism, because neither perspective gives ontological priority to the human mind. In contrast to
materialism Materialism is a form of philosophical monism which holds matter to be the fundamental substance in nature, and all things, including mental states and consciousness, are results of material interactions. According to philosophical materialism ...
, idealism asserts the ''primacy'' of consciousness as the origin and prerequisite of phenomena. Idealism holds that consciousness (the mind) is the origin of the material world. Indian and Greek philosophers proposed the earliest arguments that the world of experience is grounded in the mind's perception of the physical world. Hindu idealism and Greek neoplatonism gave panentheistic arguments for the existence of an all-pervading consciousness as the true nature, as the true grounding of reality. In contrast, the Yogācāra school, which arose within Mahayana Buddhism in India in the 4th century AD, based its "mind-only" idealism to a greater extent on phenomenological analyses of personal experience. This turn toward the subjective anticipated
empiricists In philosophy, empiricism is an epistemological theory that holds that knowledge or justification comes only or primarily from sensory experience. It is one of several views within epistemology, along with rationalism and skepticism. Empir ...
such as George Berkeley, who revived idealism in 18th-century Europe by employing skeptical arguments against materialism. Beginning with Kant, German idealists such as
Georg Wilhelm Friedrich Hegel Georg Wilhelm Friedrich Hegel (; ; 27 August 1770 – 14 November 1831) was a German philosopher. He is one of the most important figures in German idealism and one of the founding figures of modern Western philosophy. His influence extends a ...
, Johann Gottlieb Fichte, Friedrich Wilhelm Joseph Schelling, and
Arthur Schopenhauer Arthur Schopenhauer ( , ; 22 February 1788 – 21 September 1860) was a German philosopher. He is best known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the phenomenal world as the prod ...
dominated 19th-century philosophy. This tradition, which emphasized the mental or "ideal" character of all phenomena, gave birth to idealistic and
subjectivist Subjectivism is the doctrine that "our own mental activity is the only unquestionable fact of our experience", instead of shared or communal, and that there is no external or objective truth. The success of this position is historically attribute ...
schools ranging from British idealism to
phenomenalism In metaphysics, phenomenalism is the view that physical objects cannot justifiably be said to exist in themselves, but only as perceptual phenomena or sensory stimuli (e.g. redness, hardness, softness, sweetness, etc.) situated in time and in ...
to existentialism. Idealism as a philosophy came under heavy attack in
the West West is a cardinal direction or compass point. West or The West may also refer to: Geography and locations Global context * The Western world * Western culture and Western civilization in general * The Western Bloc, countries allied with NAT ...
at the turn of the 20th century. The most influential critics of both epistemological and ontological idealism were
G. E. Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the founders of analytic philosophy. He and Russell led the turn from idea ...
and
Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British mathematician, philosopher, logician, and public intellectual. He had a considerable influence on mathematics, logic, set theory, linguistics, ar ...
, but its critics also included the new realists. According to '' Stanford Encyclopedia of Philosophy'', the attacks by Moore and Russell were so influential that even more than 100 years later "any acknowledgment of idealistic tendencies is viewed in the English-speaking world with reservation". However, many aspects and paradigms of idealism did still have a large influence on subsequent philosophy.
Phenomenology Phenomenology may refer to: Art * Phenomenology (architecture), based on the experience of building materials and their sensory properties Philosophy * Phenomenology (philosophy), a branch of philosophy which studies subjective experiences and a ...
, an influential strain of philosophy since the beginning of the 20th century, also draws on the lessons of idealism. In his ''
Being and Time ''Being and Time'' (german: Sein und Zeit) is the 1927 ''magnum opus'' of German philosopher Martin Heidegger and a key document of existentialism. ''Being and Time'' had a notable impact on subsequent philosophy, literary theory and many other f ...
'', Martin Heidegger famously states:


Definitions

''Idealism'' is a term with several related meanings. It comes via Latin '' idea'' from the Ancient Greek '' idea'' (ἰδέα) from ''idein'' (ἰδεῖν), meaning 'to see'. The term entered the English language by 1743. It was first used in the abstract metaphysical sense "belief that reality is made up only of ideas" by Christian Wolff in 1747. The term re-entered the English language in this abstract sense by 1796. In ordinary language, as when speaking of
Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of ...
's political idealism, it generally suggests the priority of ideals, principles, values, and goals over concrete realities. Idealists are understood to represent the world as it might or should be, unlike
pragmatists Pragmatism is a philosophical tradition that considers words and thought as tools and instruments for prediction, problem solving, and action, and rejects the idea that the function of thought is to describe, represent, or mirror reality. Pr ...
, who focus on the world as it presently is. In the arts, similarly, idealism affirms imagination and attempts to realize a mental conception of beauty, a standard of perfection, juxtaposed to aesthetic naturalism and
realism Realism, Realistic, or Realists may refer to: In the arts *Realism (arts), the general attempt to depict subjects truthfully in different forms of the arts Arts movements related to realism include: * Classical Realism *Literary realism, a mov ...
. The term ''idealism'' is also sometimes used in a sociological sense, which emphasizes how human ideas—especially beliefs and values—shape society. Any philosophy that assigns crucial importance to the ideal or spiritual realm in its account of human existence may be termed "idealist". Metaphysical idealism is an ontological doctrine that holds that reality itself is
incorporeal Incorporeality is "the state or quality of being incorporeal or bodiless; immateriality; incorporealism." Incorporeal (Greek: ἀσώματος) means "Not composed of matter; having no material existence." Incorporeality is a quality of souls, ...
or experiential at its core. Beyond this, idealists disagree on which aspects of the mental are more basic.
Platonic idealism Platonic realism is the philosophical position that universals or abstract objects exist objectively and outside of human minds. It is named after the Greek philosopher Plato who applied realism to such universals, which he considered ideal ...
affirms that
abstractions Abstraction in its main sense is a conceptual process wherein general rules and concepts are derived from the usage and classification of specific examples, literal ("real" or "concrete") signifiers, first principles, or other methods. "An abs ...
are more basic to reality than the things we perceive, while subjective idealists and phenomenalists tend to privilege sensory experience over abstract reasoning.
Epistemological idealism Epistemological idealism is a subjectivist position in epistemology that holds that what one knows about an object exists only in one's mind. It is opposed to epistemological realism. Overview Epistemological idealism suggests that everything we ...
is the view that reality can only be known through ideas, that only psychological experience can be apprehended by the mind.Daniel Sommer Robinson
"Idealism"
''Encyclopædia Britannica''
Subjective idealists like George Berkeley are anti-realists in terms of a mind-independent world. However, not all idealists restrict the real or the knowable to our immediate subjective experience. Objective idealists make claims about a transempirical world, but simply deny that this world is essentially divorced from or ontologically prior to the mental. Thus, Plato and
Gottfried Leibniz Gottfried Wilhelm (von) Leibniz . ( – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat. He is one of the most prominent figures in both the history of philosophy and the history of mat ...
affirm an objective and knowable reality transcending our subjective awareness—a rejection of epistemological idealism—but propose that this reality is grounded in ideal entities, a form of metaphysical idealism. Nor do all metaphysical idealists agree on the nature of the ideal; for Plato, the fundamental entities were non-mental abstract
forms Form is the shape, visual appearance, or configuration of an object. In a wider sense, the form is the way something happens. Form also refers to: *Form (document), a document (printed or electronic) with spaces in which to write or enter data * ...
, while for Leibniz they were proto-mental and concrete monads.Mark Kulstad and Laurence Carlin, "Leibniz's Philosophy of Mind", ''Stanford Encyclopedia of Philosophy'', http://plato.stanford.edu/entries/leibniz-mind/ As a rule, transcendental idealists like Kant affirm idealism's epistemic side without committing themselves to whether reality is ''ultimately'' mental; objective idealists like Plato affirm reality's metaphysical basis in the mental or abstract without restricting their epistemology to ordinary experience; and subjective idealists like Berkeley affirm both metaphysical and epistemological idealism.


Classical idealism


Pre-Socratic philosophy

Idealism as a form of metaphysical monism holds that consciousness, not matter, is the ground of all being. It is monist because it holds that there is only one type of thing in the universe and idealist because it holds that one thing to be consciousness.
Anaxagoras Anaxagoras (; grc-gre, Ἀναξαγόρας, ''Anaxagóras'', "lord of the assembly";  500 –  428 BC) was a Pre-Socratic Greek philosopher. Born in Clazomenae at a time when Asia Minor was under the control of the Persian Empire, ...
(480 BC) taught that "all things" were created by ''
Nous ''Nous'', or Greek νοῦς (, ), sometimes equated to intellect or intelligence, is a concept from classical philosophy for the faculty of the human mind necessary for understanding what is true or real. Alternative English terms used in p ...
'' ("Mind"). He held that Mind held the cosmos together and gave human beings a connection to the cosmos or a pathway to the divine.


Platonism and neoplatonism

Plato's theory of forms or "ideas" describes ideal forms (for example the platonic solids in geometry or abstracts like Goodness and Justice), as
universals In metaphysics, a universal is what particular things have in common, namely characteristics or qualities. In other words, universals are repeatable or recurrent entities that can be instantiated or exemplified by many particular things. For exa ...
existing independently of any particular instance. Arne Grøn calls this doctrine "the classic example of a metaphysical idealism as a ''transcendent'' idealism", while Simone Klein calls Plato "the earliest representative of metaphysical objective idealism". Nevertheless, Plato holds that matter is real, though transitory and imperfect, and is perceived by our body and its senses and given existence by the eternal ideas that are perceived directly by our rational soul. Plato was therefore a metaphysical and epistemological dualist, an outlook that modern idealism has striven to avoid: Plato's thought cannot therefore be counted as idealist in the modern sense. With the neoplatonist
Plotinus Plotinus (; grc-gre, Πλωτῖνος, ''Plōtînos'';  – 270 CE) was a philosopher in the Hellenistic tradition, born and raised in Roman Egypt. Plotinus is regarded by modern scholarship as the founder of Neoplatonism. His teacher wa ...
, wrote Nathaniel Alfred Boll "there even appears, probably for the first time in Western philosophy, ''idealism'' that had long been current in the East even at that time, for it taught... that the soul has made the world by stepping from eternity into time...". Similarly, in regard to passages from the
Enneads The ''Enneads'' ( grc-gre, Ἐννεάδες), fully ''The Six Enneads'', is the collection of writings of the philosopher Plotinus, edited and compiled by his student Porphyry (270). Plotinus was a student of Ammonius Saccas, and together th ...
, "The only space or place of the world is the soul" and "Time must not be assumed to exist outside the soul". Ludwig Noiré wrote: "For the first time in Western philosophy we find idealism proper in Plotinus".Ludwig Noiré, ''Historical Introduction to Kant's Critique of Pure Reason'' However, Plotinus does not address whether we know external objects, unlike Schopenhauer and other modern philosophers.


Christian philosophy

Christian theologian Christian theology is the theology of Christian belief and practice. Such study concentrates primarily upon the texts of the Old Testament and of the New Testament, as well as on Christian tradition. Christian theologians use biblical exegesi ...
s have held idealist views, often based on neoplatonism, despite the influence of Aristotelian scholasticism from the 12th century onward. However, there is certainly a sense in which the scholastics retained the idealism that came via St. Augustine right back to Plato. Later western theistic idealism such as that of Hermann Lotze offers a theory of the "world ground" in which all things find their unity: it has been widely accepted by Protestant theologians. Several modern religious movements, for example the organizations within the New Thought Movement and the Unity Church, may be said to have a particularly idealist orientation. The theology of
Christian Science Christian Science is a set of beliefs and practices associated with members of the Church of Christ, Scientist. Adherents are commonly known as Christian Scientists or students of Christian Science, and the church is sometimes informally known ...
includes a form of idealism: it teaches that all that truly exists is God and God's ideas; that the world as it appears to the senses is a distortion of the underlying spiritual reality, a distortion that may be corrected (both conceptually and in terms of human experience) through a reorientation (spiritualization) of thought.


Chinese philosophy

Wang Yangming, a Ming Chinese neo-Confucian philosopher, official, educationist, calligraphist and general, held that objects do not exist entirely apart from the mind because the mind shapes them. It is not the world that shapes the mind but the mind that gives reason to the world, so the mind alone is the source of all reason, having an inner light, an innate moral goodness and understanding of what is good.


Idealism in Vedic and Buddhist thought

There are currents of idealism throughout Indian philosophy, ancient and modern. Hindu idealism often takes the form of monism or
non-dualism Nondualism, also called nonduality and nondual awareness, is a fuzzy concept originating in Indian philosophy and religion for which many definitions can be found, including: nondual awareness, the nonduality of seer and seen or nondiffer ...
, espousing the view that a unitary
consciousness Consciousness, at its simplest, is sentience and awareness of internal and external existence. However, the lack of definitions has led to millennia of analyses, explanations and debates by philosophers, theologians, linguisticians, and scien ...
is the essence or meaning of the phenomenal reality and plurality. Buddhist idealism on the other hand is more epistemic and is not a metaphysical monism, which Buddhists consider eternalistic and hence not the
Middle Way The Middle Way ( pi, ; sa, ) as well as "teaching the Dharma by the middle" (''majjhena dhammaṃ deseti'') are common Buddhist terms used to refer to two major aspects of the Dharma, that is, the teaching of the Buddha.; my, အလယ်� ...
between extremes espoused by the Buddha. The oldest reference to Idealism in Vedic texts is in
Purusha Sukta Purusha suktam (Sanskrit पुरुषसूक्तम्) is hymn 10.90 of the Rigveda, dedicated to the Purusha, the "Cosmic Being". It is also found in the Shukla Yajurveda Samhita 31.1-16 and Atharva Veda Samhita 19.6. Slightly differ ...
of the Rig Veda. This Sukta espouses panentheism by presenting cosmic being Purusha as both pervading all universe and yet being transcendent to it. Absolute idealism can be seen in
Chāndogya Upaniṣad The ''Chandogya Upanishad'' (Sanskrit: , IAST: ''Chāndogyopaniṣad'') is a Sanskrit text embedded in the Chandogya Brahmana of the Sama Veda of Hinduism.Patrick Olivelle (2014), ''The Early Upanishads'', Oxford University Press; , pp. 166-1 ...
, where things of the objective world like the five elements and the subjective world such as will, hope, memory etc. are seen to be emanations from the
Self The self is an individual as the object of that individual’s own reflective consciousness. Since the ''self'' is a reference by a subject to the same subject, this reference is necessarily subjective. The sense of having a self—or ''selfhood ...
.


Indian philosophy

Idealist notions have been propounded by the Vedanta schools of thought, which use the Vedas, especially the Upanishads as their key texts. Idealism was opposed by dualists
Samkhya ''Samkhya'' or ''Sankya'' (; Sanskrit सांख्य), IAST: ') is a dualistic school of Indian philosophy. It views reality as composed of two independent principles, '' puruṣa'' ('consciousness' or spirit); and ''prakṛti'', (natu ...
, the atomists Vaisheshika, the logicians
Nyaya ( Sanskrit: न्याय, ''nyā-yá''), literally meaning "justice", "rules", "method" or "judgment",Mimamsa and the materialists
Cārvāka Charvaka ( sa, चार्वाक; IAST: ''Cārvāka''), also known as ''Lokāyata'', is an ancient school of Indian materialism. Charvaka holds direct perception, empiricism, and conditional inference as proper sources of knowledge, embra ...
. There are various sub schools of Vedanta, like
Advaita Vedanta ''Advaita Vedanta'' (; sa, अद्वैत वेदान्त, ) is a Hindu sādhanā, a path of spiritual discipline and experience, and the oldest extant tradition of the orthodox Hindu school Vedānta. The term ''Advaita'' (li ...
(non-dual),
Vishishtadvaita Vishishtadvaita (IAST '; sa, विशिष्टाद्वैत) is one of the most popular schools of the Vedanta school of Hindu philosophy. Vedanta literally means the in depth meaning ''of the Vedas.'' ''Vishisht Advaita'' (liter ...
and
Bhedabheda Bhedābheda Vedānta is a subschool of Vedānta, which teaches that the individual self (''jīvātman'') is both different and not different from the ultimate reality known as Brahman. Etymology ''Bhedābheda'' (Devanagari: ) is a Sanskrit wo ...
Vedanta (difference and non-difference). The schools of Vedanta all attempt to explain the nature and relationship of Brahman (universal soul or Self) and
Atman Atman or Ātman may refer to: Film * ''Ātman'' (1975 film), a Japanese experimental short film directed by Toshio Matsumoto * ''Atman'' (1997 film), a documentary film directed by Pirjo Honkasalo People * Pavel Atman (born 1987), Russian hand ...
(individual self), which they see as the central topic of the Vedas. One of the earliest attempts at this was Bādarāyaņa's
Brahma Sutras The ''Brahma Sūtras'' ( sa, ब्रह्मसूत्राणि) is a Sanskrit text, attributed to the sage bādarāyaṇa or sage Vyāsa, estimated to have been completed in its surviving form in approx. 400–450 CE,, Quote: "...we c ...
, which is canonical for all Vedanta sub-schools. Advaita Vedanta is a major sub school of Vedanta which holds a non-dual Idealistic metaphysics. According to Advaita thinkers like
Adi Shankara Adi Shankara ("first Shankara," to distinguish him from other Shankaras)(8th cent. CE), also called Adi Shankaracharya ( sa, आदि शङ्कर, आदि शङ्कराचार्य, Ādi Śaṅkarācāryaḥ, lit=First Shanka ...
(788–820) and his contemporary
Maṇḍana Miśra Mandana Mishra (; c. ) was a Hindu philosopher who wrote on the Mīmāṃsā and Advaita systems of thought. He was a follower of the Karma Mimamsa school of philosophy and a staunch defender of the holistic sphota doctrine of language. He ...
, Brahman, the single unitary consciousness or absolute awareness, appears as the diversity of the world because of ''maya'' or illusion, and hence perception of plurality is ''mithya'', error. The world and all beings or souls in it have no separate existence from Brahman, universal consciousness, and the seemingly independent soul (''jiva'') is identical to Brahman. These doctrines are represented in verses such as ''brahma satyam jagan mithya; jīvo brahmaiva na aparah'' (Brahman is alone True, and this world of plurality is an error; the individual self is not different from Brahman). Other forms of Vedanta like the
Vishishtadvaita Vishishtadvaita (IAST '; sa, विशिष्टाद्वैत) is one of the most popular schools of the Vedanta school of Hindu philosophy. Vedanta literally means the in depth meaning ''of the Vedas.'' ''Vishisht Advaita'' (liter ...
of
Ramanuja Ramanuja (Middle Tamil: Rāmāṉujam; Classical Sanskrit: Rāmanuja; 1017 CE – 1137 CE; ; ), also known as Ramanujacharya, was an Indian Hindu philosopher, guru and a social reformer. He is noted to be one of the most important exponents o ...
and the
Bhedabheda Bhedābheda Vedānta is a subschool of Vedānta, which teaches that the individual self (''jīvātman'') is both different and not different from the ultimate reality known as Brahman. Etymology ''Bhedābheda'' (Devanagari: ) is a Sanskrit wo ...
of Bhāskara are not as radical in their non-dualism, accepting that there is a certain difference between individual souls and Brahman.
Dvaita Dvaita Vedanta (); (originally known as Tattvavada; IAST:Tattvavāda), is a sub-school in the Vedanta tradition of Hindu philosophy. The term Tattvavada literally means "arguments from a realist viewpoint". The Tattvavada (Dvaita) Vedanta s ...
school of Vedanta by Madhvacharya maintains the opposing view that the world is real and eternal. It also argues that real Atman fully depends on the reflection of independent Brahman. The Tantric tradition of Kashmir Shaivism has also been categorized by scholars as a form of Idealism. The key thinker of this tradition is the Kashmirian
Abhinavagupta Abhinavagupta (c. 950 – 1016 CE) was a philosopher, mystic and aesthetician from Kashmir. He was also considered an influential musician, poet, dramatist, exegete, theologian, and logicianRe-accessing Abhinavagupta, Navjivan Rastogi, pag ...
(975–1025 CE). Modern Vedic Idealism was defended by the influential Indian philosopher Sarvepalli Radhakrishnan in his 1932 ''An Idealist View of Life'' and other works, which espouse
Advaita Vedanta ''Advaita Vedanta'' (; sa, अद्वैत वेदान्त, ) is a Hindu sādhanā, a path of spiritual discipline and experience, and the oldest extant tradition of the orthodox Hindu school Vedānta. The term ''Advaita'' (li ...
. The essence of Hindu Idealism is captured by such modern writers as Sri Nisargadatta Maharaj, Sri Aurobindo,
P. R. Sarkar Prabhat Ranjan Sarkar (21 May 1921 – 21 October 1990), also known by his spiritual name Shrii Shrii Ánandamúrti (Ánanda Múrti="Bliss Embodiment"), and known as Bábá ("Father") to his disciples, was a spiritual Guru, philosopher, so ...
, and
Sohail Inayatullah Sohail Inayatullah is a Pakistani-born Australian academic, futures studies researcher and a professor at the Graduate Institute of Futures Studies at Tamkang University in Taipei, Taiwan. Biography Born in 1958 in Lahore, Pakistan, to a fathe ...
.


Buddhist philosophy

Buddhist views which can be said to be similar to Idealism appear in Mahayana Buddhist texts such as the
Samdhinirmocana sutra The ''Ārya-saṃdhi-nirmocana-sūtra'' (Sanskrit) or ''Noble sūtra of the Explanation of the Profound Secrets'' is a Mahāyāna Buddhist text and the most important sutra of the Yogācāra school. It contains explanations of key Yogācāra conce ...
,
Laṅkāvatāra Sūtra The ''Laṅkāvatāra Sūtra'' ( Sanskrit, "Discourse of the Descent into Laṅka" bo, ལང་ཀར་བཤེགས་པའི་མདོ་, Chinese:入楞伽經) is a prominent Mahayana Buddhist sūtra. This sūtra recounts a teachi ...
, Dashabhumika sutra, etc. These were later expanded upon by Indian Buddhist philosophers of the influential Yogacara school, like
Vasubandhu Vasubandhu (; Tibetan: དབྱིག་གཉེན་ ; fl. 4th to 5th century CE) was an influential Buddhist monk and scholar from ''Puruṣapura'' in ancient India, modern day Peshawar, Pakistan. He was a philosopher who wrote commentary ...
,
Asaṅga Asaṅga (, ; Romaji: ''Mujaku'') (fl. 4th century C.E.) was "one of the most important spiritual figures" of Mahayana Buddhism and the "founder of the Yogachara school".Engle, Artemus (translator), Asanga, ''The Bodhisattva Path to Unsurpassed ...
, Dharmakīrti, and
Śāntarakṣita (Sanskrit; , 725–788),stanford.eduŚāntarakṣita (Stanford Encyclopedia of Philosophy)/ref> whose name translates into English as "protected by the One who is at peace" was an important and influential Indian Buddhist philosopher, particul ...
. Yogacara thought was also promoted in China by Chinese philosophers and translators like Xuanzang. There is a modern scholarly disagreement about whether Yogacara Buddhism can be said to be a form of idealism. As Saam Trivedi notes: "on one side of the debate, writers such as Jay Garfield, Jeffrey Hopkins, Paul Williams, and others maintain the idealism label, while on the other side, Stefan Anacker, Dan Lusthaus, Richard King, Thomas Kochumuttom, Alex Wayman, Janice Dean Willis, and others have argued that Yogacara is not idealist." The central point of issue is what Buddhist philosophers like
Vasubandhu Vasubandhu (; Tibetan: དབྱིག་གཉེན་ ; fl. 4th to 5th century CE) was an influential Buddhist monk and scholar from ''Puruṣapura'' in ancient India, modern day Peshawar, Pakistan. He was a philosopher who wrote commentary ...
who used the term ''vijñapti-matra'' ("representation-only" or "cognition-only") and formulated arguments to refute external objects actually meant to say.
Vasubandhu Vasubandhu (; Tibetan: དབྱིག་གཉེན་ ; fl. 4th to 5th century CE) was an influential Buddhist monk and scholar from ''Puruṣapura'' in ancient India, modern day Peshawar, Pakistan. He was a philosopher who wrote commentary ...
's works include a refutation of external objects or externality itself and argues that the true nature of reality is beyond subject-object distinctions. He views ordinary consciousness experience as deluded in its perceptions of an external world separate from itself and instead argues that all there is ''Vijñapti'' (representation or conceptualization). Hence Vasubandhu begins his ''Vimsatika'' with the verse: ''All this is consciousness-only, because of the appearance of
non-existent object An object of the mind is an object that exists in the imagination, but which, in the real world, can only be represented or modeled. Some such objects are abstractions, literary concepts, or fictional scenarios. Closely related are intentional ob ...
s, just as someone with an optical disorder may see non-existent nets of hair.'' Likewise, the Buddhist philosopher
Dharmakirti Dharmakīrti (fl. c. 6th or 7th century; Tibetan: ཆོས་ཀྱི་གྲགས་པ་; Wylie: ''chos kyi grags pa''), was an influential Indian Buddhist philosopher who worked at Nālandā.Tom Tillemans (2011)Dharmakirti Stanford ...
's view of the apparent existence of external objects is summed up by him in the Pramānaṿārttika ('Commentary on Logic and Epistemology'): ''Cognition experiences itself, and nothing else whatsoever. Even the particular objects of perception, are by nature just consciousness itself.'' While some writers like Jay Garfield hold that Vasubandhu is a metaphysical idealist, others see him as closer to an epistemic idealist like Kant who holds that our knowledge of the world is simply knowledge of our own concepts and perceptions of a transcendental world. Sean Butler upholding that Yogacara is a form of idealism, albeit its own unique type, notes the similarity of Kant's categories and Yogacara's ''
Vāsanā Vāsanā (Sanskrit; Devanagari: वासना) is a behavioural tendency or karmic imprint which influences the present behaviour of a person. It is a technical term in Indian philosophy, particularly Yoga, as well as Buddhist philosophy and Advai ...
s'', both of which are simply phenomenal tools with which the mind interprets the noumenal realm. Unlike Kant however who holds that the noumenon or thing-in-itself is unknowable to us, Vasubandhu holds that ultimate reality is knowable, but only through non-conceptual yogic perception of a highly trained meditative mind. Writers like Dan Lusthaus who hold that Yogacara is not a metaphysical idealism point out, for example, that Yogācāra thinkers did not focus on consciousness to assert it as ontologically real, but simply to analyze how our experiences and thus our suffering is created. As Lusthaus notes: "no Indian Yogācāra text ever claims that the world is created by mind. What they do claim is that we mistake our projected interpretations of the world for the world itself, i.e. we take our own mental constructions to be the world."
Dan Lusthaus Dan Lusthaus is an American writer on Buddhism. He is a graduate of Temple University's Department of Religion, and is a specialist in ''Yogācāra''. The author of several articles and books on the topic, Lusthaus has taught at UCLA, Florida Stat ...
, "What is and isn't Yogācāra."
Lusthaus notes that there are similarities to Western epistemic idealists like Kant and Husserl, enough so that Yogacara can be seen as a form of epistemological idealism. However he also notes key differences like the concepts of karma and nirvana. Saam Trivedi meanwhile notes the similarities between epistemic idealism and Yogacara, but adds that Yogacara Buddhism is in a sense its own theory. Similarly, Thomas Kochumuttom sees Yogacara as "an explanation of experience, rather than a system of ontology" and Stefan Anacker sees Vasubandhu's philosophy as a form of psychology and as a mainly therapeutic enterprise.


Subjective idealism

Subjective idealism (also known as
immaterialism Subjective idealism, or empirical idealism, is a form of philosophical monism that holds that only minds and mental contents exist. It entails and is generally identified or associated with immaterialism, the doctrine that material things do n ...
) describes a relationship between experience and the world in which objects are no more than collections or bundles of sense data in the perceiver. Proponents include Berkeley, Bishop of Cloyne, an Anglo-Irish philosopher who advanced a theory he called "
immaterialism Subjective idealism, or empirical idealism, is a form of philosophical monism that holds that only minds and mental contents exist. It entails and is generally identified or associated with immaterialism, the doctrine that material things do n ...
," later referred to as "subjective idealism", contending that individuals can only know sensations and ideas of objects directly, not abstractions such as "matter", and that ideas also depend upon being perceived for their very existence - ''esse est percipi''; "to be is to be perceived". Arthur Collier published similar assertions though there seems to have been no influence between the two contemporary writers. The only knowable reality is the represented image of an external object. Matter as a cause of that image, is unthinkable and therefore nothing to us. An external world as absolute matter unrelated to an observer does not exist as far as we are concerned. The universe cannot exist as it appears if there is no perceiving mind. Collier was influenced by ''An Essay Towards the Theory of the Ideal or Intelligible World'' by
Cambridge Platonist The Cambridge Platonists were an influential group of Platonist philosophers and Christian theologians at the University of Cambridge that existed during the 17th century. The leading figures were Ralph Cudworth and Henry More. Group and its n ...
John Norris (1701). Paul Brunton, a British philosopher, mystic, traveler, and guru, taught a type of idealism called " mentalism," similar to that of Bishop Berkeley, proposing a master world-image, projected or manifested by a world-mind, and an infinite number of individual minds participating. A tree does not cease to exist if nobody sees it because the world-mind is projecting the idea of the tree to all minds
Epistemological idealism Epistemological idealism is a subjectivist position in epistemology that holds that what one knows about an object exists only in one's mind. It is opposed to epistemological realism. Overview Epistemological idealism suggests that everything we ...
is a subjectivist position in epistemology that holds that what one knows about an object exists only in one's mind. Proponents include
Brand Blanshard Percy Brand Blanshard (; August 27, 1892 – November 19, 1987) was an American philosopher known primarily for his defense of reason and rationalism. A powerful polemicist, by all accounts he comported himself with courtesy and grace in philoso ...
. A. A. Luce and John Foster are other subjectivists. Luce, in ''Sense without Matter'' (1954), attempts to bring Berkeley up to date by modernizing his vocabulary and putting the issues he faced in modern terms, and treats the Biblical account of matter and the psychology of perception and nature. Foster's ''The Case for Idealism'' argues that the physical world is the logical creation of natural, non-logical constraints on human sense-experience. Foster's latest defense of his views ( phenomenalistic idealism) is in his book ''A World for Us: The Case for Phenomenalistic Idealism''. Critics of Subjective idealism include
Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British mathematician, philosopher, logician, and public intellectual. He had a considerable influence on mathematics, logic, set theory, linguistics, ar ...
's popular 1912 book ''
The Problems of Philosophy ''The Problems of Philosophy'' is a 1912 book by the philosopher Bertrand Russell, in which the author attempts to create a brief and accessible guide to the problems of philosophy. He introduces philosophy as a repeating series of (failed) att ...
'',
Australian Australian(s) may refer to: Australia * Australia, a country * Australians, citizens of the Commonwealth of Australia ** European Australians ** Anglo-Celtic Australians, Australians descended principally from British colonists ** Aboriginal Au ...
philosopher
David Stove David Charles Stove (15 September 1927 – 2 June 1994) was an Australian philosopher. Philosophy His work in philosophy of science included criticisms of David Hume's Inductive scepticism. He offered a positive response to the problem of i ...
, Alan Musgrave, and John Searle.


Transcendental idealism

Transcendental idealism, founded by Immanuel Kant in the eighteenth century, maintains that the mind shapes the world we perceive into the form of space-and-time. The 2nd edition (1787) contained a ''Refutation of Idealism'' to distinguish his transcendental idealism from Descartes's
Sceptic Skepticism, also spelled scepticism, is a questioning attitude or doubt toward knowledge claims that are seen as mere belief or dogma. For example, if a person is skeptical about claims made by their government about an ongoing war then the pe ...
al Idealism and Berkeley's anti-realist strain of
Subjective Idealism Subjective idealism, or empirical idealism, is a form of philosophical monism that holds that only minds and mental contents exist. It entails and is generally identified or associated with immaterialism, the doctrine that material things do n ...
. The section ''Paralogisms of Pure Reason'' is an implicit critique of Descartes's idealism. Kant says that it is not possible to infer the 'I' as an object (Descartes' ''
cogito ergo sum The Latin , usually translated into English as "I think, therefore I am", is the "first principle" of René Descartes's philosophy. He originally published it in French as , in his 1637 ''Discourse on the Method'', so as to reach a wider audi ...
'') purely from "the spontaneity of thought". Kant focused on ideas drawn from British philosophers such as Locke, Berkeley and
Hume Hume most commonly refers to: * David Hume (1711–1776), Scottish philosopher Hume may also refer to: People * Hume (surname) * Hume (given name) * James Hume Nisbet (1849–1923), Scottish-born novelist and artist In fiction * Hume, ...
but distinguished his transcendental or
critical idealism Absolute idealism is an ontologically monistic philosophy chiefly associated with G. W. F. Hegel and Friedrich Schelling, both of whom were German idealist philosophers in the 19th century. The label has also been attached to others such as Jo ...
from previous varieties; Kant distinguished between things as they appear to an observer and things in themselves, "that is, things considered without regard to whether and how they may be given to us". We cannot approach the '' noumenon'', the "thing in Itself" (german: Ding an sich) without our own mental world. He added that the mind is not a
blank slate ''Tabula rasa'' (; "blank slate") is the theory that individuals are born without built-in mental content, and therefore all knowledge comes from experience or perception. Epistemological proponents of ''tabula rasa'' disagree with the doc ...
, ''tabula rasa'' but rather comes equipped with categories for organising our sense impressions. In the first volume of his ''
Parerga and Paralipomena ''Parerga and Paralipomena'' (Greek for "Appendices" and "Omissions", respectively; german: Parerga und Paralipomena) is a collection of philosophical reflections by Arthur Schopenhauer published in 1851. The selection was compiled not as a summa ...
'', Schopenhauer wrote his "Sketch of a History of the Doctrine of the Ideal and the Real". He defined the ideal as being mental pictures that constitute subjective knowledge. The ideal, for him, is what can be attributed to our own minds. The images in our head are what comprise the ideal. Schopenhauer emphasized that we are restricted to our own
consciousness Consciousness, at its simplest, is sentience and awareness of internal and external existence. However, the lack of definitions has led to millennia of analyses, explanations and debates by philosophers, theologians, linguisticians, and scien ...
. The world that appears is only a representation or mental picture of objects. We directly and immediately know only representations. All objects that are external to the mind are known indirectly through the mediation of our mind. He offered a history of the
concept Concepts are defined as abstract ideas. They are understood to be the fundamental building blocks of the concept behind principles, thoughts and beliefs. They play an important role in all aspects of cognition. As such, concepts are studied by sev ...
of the "ideal" as "ideational" or "existing in the mind as an image". Charles Bernard Renouvier was the first Frenchman after Nicolas Malebranche to formulate a complete idealistic system, and had a vast influence on the development of French thought. His system is based on Immanuel Kant's, as his chosen term "néo-criticisme" indicates; but it is a transformation rather than a continuation of Kantianism. Friedrich Nietzsche argued that Kant commits an agnostic tautology and does not offer a satisfactory answer as to the ''source'' of a philosophical right to such-or-other metaphysical claims; he ridicules his pride in tackling "the most difficult thing that could ever be undertaken on behalf of metaphysics." The famous "thing-in-itself" was called a product of philosophical habit, which seeks to introduce a grammatical subject: because wherever there is cognition, there must be a ''thing'' that is cognized and allegedly it must be added to ontology as a being (whereas, to Nietzsche, only the world as ever changing appearances can be assumed). Yet he attacks the idealism of Schopenhauer and Descartes with an argument similar to Kant's critique of the latter ''(see above)''.


Objective idealism

Objective idealism asserts that the reality of experiencing combines and transcends the realities of the object experienced and of the mind of the observer. Proponents include Thomas Hill Green, Josiah Royce,
Benedetto Croce Benedetto Croce (; 25 February 1866 – 20 November 1952) was an Italian idealist philosopher, historian, and politician, who wrote on numerous topics, including philosophy, history, historiography and aesthetics. In most regards, Croce was a lib ...
and
Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American philosopher, logician, mathematician and scientist who is sometimes known as "the father of pragmatism". Educated as a chemist and employed as a scientist for ...
.


Absolute idealism

Schelling (1775–1854) claimed that the Fichte's "I" needs the Not-I, because there is no subject without object, and vice versa. So there is no difference between the subjective and the objective, that is, the ideal and the real. This is Schelling's "absolute
identity Identity may refer to: * Identity document * Identity (philosophy) * Identity (social science) * Identity (mathematics) Arts and entertainment Film and television * ''Identity'' (1987 film), an Iranian film * ''Identity'' (2003 film), an ...
": the ideas or mental images in the mind are identical to the extended objects which are external to the mind. Absolute idealism is G. W. F. Hegel's account of how existence is comprehensible as an all-inclusive whole. Hegel called his philosophy "absolute" idealism in contrast to the "subjective idealism" of Berkeley and the "transcendental idealism" of Kant and Fichte, which were not based on a critique of the finite and a dialectical philosophy of history as Hegel's idealism was. The exercise of reason and intellect enables the philosopher to know ultimate historical reality, the phenomenological constitution of self-determination, the dialectical development of self-awareness and personality in the realm of History. In his ''Science of Logic'' (1812–1814) Hegel argues that finite qualities are not fully "real" because they depend on other finite qualities to determine them. Qualitative ''infinity'', on the other hand, would be more self-determining and hence more fully real. Similarly finite natural things are less "real"—because they are less self-determining—than spiritual things like morally responsible people, ethical communities and God. So any doctrine, such as materialism, that asserts that finite qualities or natural objects are fully real is mistaken. Hegel certainly intends to preserve what he takes to be true of German idealism, in particular Kant's insistence that ethical reason can and does go beyond finite inclinations. For Hegel there must be some identity of thought and being for the "subject" (any human observer) to be able to know any observed "object" (any external entity, possibly even another human) at all. Under Hegel's concept of "subject-object identity," subject and object both have Spirit (Hegel's ersatz, redefined, nonsupernatural "God") as their ''conceptual'' (not metaphysical) inner reality—and in that sense are identical. But until Spirit's "self-realization" occurs and Spirit graduates from Spirit to ''Absolute'' Spirit status, subject (a human mind) mistakenly thinks every "object" it observes is something "alien," meaning something separate or apart from "subject." In Hegel's words, "The object is revealed to it o "subject"by ssomething alien, and it does not recognize itself." Self-realization occurs when Hegel (part of Spirit's nonsupernatural Mind, which is the collective mind of all humans) arrives on the scene and realizes that every "object" is ''himself'', because both subject and object are essentially Spirit. When self-realization occurs and Spirit becomes ''Absolute'' Spirit, the "finite" (man, human) becomes the "infinite" ("God," divine), replacing the imaginary or "picture-thinking" supernatural God of theism: man becomes God. Tucker puts it this way: "Hegelianism . . . is a religion of self-worship whose fundamental theme is given in Hegel's image of the man who aspires to be God himself, who demands 'something more, namely infinity.'" The picture Hegel presents is "a picture of a self-glorifying humanity striving compulsively, and at the end successfully, to rise to divinity." Kierkegaard criticized Hegel's idealist philosophy in several of his works, particularly his claim to a comprehensive system that could explain the whole of reality. Where Hegel argues that an ultimate understanding of the logical structure of the world is an understanding of the logical structure of
God In monotheistic thought, God is usually viewed as the supreme being, creator, and principal object of faith. Swinburne, R.G. "God" in Honderich, Ted. (ed)''The Oxford Companion to Philosophy'', Oxford University Press, 1995. God is typically ...
's mind, Kierkegaard asserts that for God reality can be a system but it cannot be so for any human individual because both reality and humans are incomplete and all philosophical systems imply completeness. For Hegel, a
logical system A formal system is an abstract structure used for inferring theorems from axioms according to a set of rules. These rules, which are used for carrying out the inference of theorems from axioms, are the logical calculus of the formal system. A for ...
is possible but an existential system is not: "What is rational is actual; and what is actual is rational". Hegel's absolute idealism blurs the distinction between existence and thought: our mortal nature places limits on our understanding of reality; A major concern of Hegel's ''Phenomenology of Spirit'' (1807) and of the philosophy of Spirit that he lays out in his ''Encyclopedia of the Philosophical Sciences'' (1817–1830) is the interrelation between individual humans, which he conceives in terms of "mutual recognition." However, what Climacus means by the aforementioned statement, is that Hegel, in the ''Philosophy of Right'', believed the best solution was to surrender one's individuality to the customs of the State, identifying right and wrong in view of the prevailing bourgeois morality. Individual human will ought, at the State's highest level of development, to properly coincide with the will of the State. Climacus rejects Hegel's suppression of individuality by pointing out it is impossible to create a valid set of rules or system in any society which can adequately describe existence for any one individual. Submitting one's will to the State denies personal freedom, choice, and responsibility. In addition, Hegel does believe we can know the structure of God's mind, or ultimate reality. Hegel agrees with Kierkegaard that both reality and humans are incomplete, inasmuch as we are in time, and reality develops through time. But the relation between time and eternity is outside time and this is the "logical structure" that Hegel thinks we can know. Kierkegaard disputes this assertion, because it eliminates the clear distinction between
ontology In metaphysics, ontology is the philosophical study of being, as well as related concepts such as existence, becoming, and reality. Ontology addresses questions like how entities are grouped into categories and which of these entities ex ...
and epistemology. Existence and thought are not identical and one cannot possibly think existence. Thought is always a form of abstraction, and thus not only is pure existence impossible to think, but all forms in existence are unthinkable; thought depends on language, which merely abstracts from experience, thus separating us from lived experience and the living essence of all beings. In addition, because we are finite beings, we cannot possibly know or understand anything that is universal or infinite such as God, so we cannot know God exists, since that which transcends time simultaneously transcends human understanding. Bradley saw reality as a
monistic Monism attributes oneness or singleness (Greek: μόνος) to a concept e.g., existence. Various kinds of monism can be distinguished: * Priority monism states that all existing things go back to a source that is distinct from them; e.g., i ...
whole apprehended through "feeling", a state in which there is no distinction between the perception and the thing perceived. Like Berkeley, Bradley thought that nothing can be known to exist unless it is known by a mind. Bradley was the apparent target of
G.E. Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the founders of analytic philosophy. He and Russell led the turn from ideal ...
's radical rejection of idealism. Moore claimed that Bradley did not understand the statement that something is real. We know for certain, through common sense and prephilosophical beliefs, that some things are real, whether they are objects of thought or not, according to Moore. The 1903 article ''The Refutation of Idealism'' is one of the first demonstrations of Moore's commitment to analysis. He examines each of the three terms in the Berkeleian aphorism ''esse est percipi'', "to be is to be perceived", finding that it must mean that the object and the subject are ''necessarily'' connected so that "yellow" and "the sensation of yellow" are identical - "to be yellow" is "to be experienced as yellow". But it also seems there is a difference between "yellow" and "the sensation of yellow" and "that ''esse'' is held to be ''percipi'', solely because what is experienced is held to be identical with the experience of it". Though far from a complete refutation, this was the first strong statement by analytic philosophy against its idealist predecessors, or at any rate against the type of idealism represented by Berkeley.


Actual idealism

Actual idealism Actual idealism was a form of idealism, developed by Giovanni Gentile, that grew into a "grounded" idealism, contrasting the transcendental idealism of Immanuel Kant, and the absolute idealism of G. W. F. Hegel. To Gentile, who considered himself ...
is a form of idealism developed by
Giovanni Gentile Giovanni Gentile (; 30 May 1875 – 15 April 1944) was an Italian neo-Hegelian idealist philosopher, educator, and fascist politician. The self-styled "philosopher of Fascism", he was influential in providing an intellectual foundation for ...
that grew into a "grounded" idealism contrasting Kant and Hegel. The idea is a version of Occam's razor; the simpler explanations are always correct. Actual idealism is the idea that reality is the ongoing act of thinking, or in Italian "pensiero pensante". Any action done by humans is classified as human thought because the action was done due to predisposed thought. He further believes that thoughts are the only concept that truly exist since reality is defined through the act of thinking. This idea was derived from Gentile's paper, "The Theory of Mind As Pure Act".Right Thinkers #7: Giovanni Gentile (1875-1944). (2014, July 1). Retrieved February 12, 2017, from Right Scholarship https://rightscholarship.wordpress.com/tag/idealism/ Since thoughts are actions, any conjectured idea can be enacted. This idea not only affects the individual's life, but everyone around them, which in turn affects the state since the people are the state.Custom Research Papers on Actual Idealism. (n.d.). Retrieved February 11, 2017, from https://www.papermasters.com/actual-idealism.html Therefore, thoughts of each person are subsumed within the state. The state is a composition of many minds that come together to change the country for better or worse. Gentile theorizes that thoughts can only be conjectured within the bounds of known reality; abstract thinking does not exist. Thoughts cannot be formed outside our known reality because we are the reality that halt ourselves from thinking externally. With accordance to "The Act of Thought of Pure Thought", our actions comprise our thoughts, our thoughts create perception, perceptions define reality, thus we think within our created reality. The present act of thought is reality but the past is not reality; it is history. The reason being, past can be rewritten through present knowledge and perspective of the event. The reality that is currently constructed can be completely changed through language (e.g. bias (omission, source, tone)). The unreliability of the recorded reality can skew the original concept and make the past remark unreliable. Actual idealism is regarded as a liberal and tolerant doctrine since it acknowledges that every being picturizes reality, in which their ideas remained hatched, differently. Even though, reality is a figment of thought. Even though core concept of the theory is famous for its simplification, its application is regarded as extremely ambiguous. Over the years, philosophers have interpreted it numerously different ways: Holmes took it as metaphysics of the thinking act; Betti as a form of hermeneutics; Harris as a metaphysics of democracy; Fogu as a modernist philosophy of history. Giovanni Gentile was a key supporter of fascism, regarded by many as the "philosopher of fascism". Gentile's philosophy was the key to understating fascism as it was believed by many who supported and loved it. They believed, if priori synthesis of subject and object is true, there is no difference between the individuals in society; they're all one. Which means that they have equal right, roles, and jobs. In fascist state, submission is given to one leader because individuals act as one body. In Gentile's view, far more can be accomplished when individuals are under a corporate body than a collection of autonomous individuals.


Pluralistic idealism

Pluralistic idealism such as that of
Gottfried Leibniz Gottfried Wilhelm (von) Leibniz . ( – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat. He is one of the most prominent figures in both the history of philosophy and the history of mat ...
takes the view that there are many individual minds that together underlie the existence of the observed world and make possible the existence of the physical universe. Unlike absolute idealism, pluralistic idealism does not assume the existence of a single ultimate mental reality or "Absolute". Leibniz' form of idealism, known as
Panpsychism In the philosophy of mind, panpsychism () is the view that the mind or a mindlike aspect is a fundamental and ubiquitous feature of reality. It is also described as a theory that "the mind is a fundamental feature of the world which exists thro ...
, views "monads" as the true atoms of the universe and as entities having perception. The monads are "substantial forms of being, "elemental, individual, subject to their own laws, non-interacting, each reflecting the entire universe. Monads are centers of force, which is substance while space, matter and motion are phenomenal and their form and existence is dependent on the simple and immaterial monads. There is a pre-established harmony by
God In monotheistic thought, God is usually viewed as the supreme being, creator, and principal object of faith. Swinburne, R.G. "God" in Honderich, Ted. (ed)''The Oxford Companion to Philosophy'', Oxford University Press, 1995. God is typically ...
, the central monad, between the world in the minds of the
monad Monad may refer to: Philosophy * Monad (philosophy), a term meaning "unit" **Monism, the concept of "one essence" in the metaphysical and theological theory ** Monad (Gnosticism), the most primal aspect of God in Gnosticism * ''Great Monad'', an ...
s and the external world of objects. Leibniz's cosmology embraced traditional Christian theism. The English psychologist and philosopher James Ward inspired by Leibniz had also defended a form of pluralistic idealism. According to Ward the universe is composed of "psychic monads" of different levels, interacting for mutual self-betterment. Personalism is the view that the minds that underlie reality are the minds of persons.
Borden Parker Bowne Borden Parker Bowne (January 14, 1847 – April 1, 1910) was an American Christian philosopher, Methodist minister and theologian. He was nominated for the Nobel Prize in Literature nine times. Life Bowne was born on January 14, 1847, near Leona ...
, a philosopher at Boston University, a founder and popularizer of personal idealism, presented it as a substantive reality of persons, the only reality, as known directly in self-consciousness. Reality is a society of interacting persons dependent on the Supreme Person of God. Other proponents include
George Holmes Howison George Holmes Howison (29 November 1834 – 31 December 1916) was an American philosopher who established the philosophy department at the University of California, Berkeley and held the position there of Mills Professor of Intellectual and Moral ...
and J. M. E. McTaggart. Howison's personal idealism was also called "California Personalism" by others to distinguish it from the "Boston Personalism" which was of Bowne. Howison maintained that both impersonal, monistic idealism and materialism run contrary to the experience of moral freedom. To deny freedom to pursue truth, beauty, and "benignant love" is to undermine every profound human venture, including science, morality, and philosophy. Personalistic idealists Borden Parker Bowne and
Edgar S. Brightman Edgar Sheffield Brightman (September 20, 1884 – February 25, 1953) was an American philosopher and Christian theologian in the Methodist tradition, associated with Boston University and liberal theology, and promulgated the philosophy know ...
and realistic (in some senses of the term, though he remained influenced by neoplatonism) personal theist Saint Thomas Aquinas address a core issue, namely that of dependence upon an infinite personal God. Howison, in his book ''The Limits of Evolution and Other Essays Illustrating the Metaphysical Theory of Personal Idealism'', created a democratic notion of personal idealism that extended all the way to God, who was no more the ultimate monarch but the ultimate democrat in eternal relation to other eternal persons. J. M. E. McTaggart's idealist atheism and Thomas Davidson's apeirotheism resemble Howisons personal idealism. J. M. E. McTaggart argued that minds alone exist and only relate to each other through love. Space, time and material objects are unreal. In ''
The Unreality of Time ''The Unreality of Time'' is the best-known philosophical work of the Cambridge idealist J. M. E. McTaggart (1866–1925). In the argument, first published as a journal article in '' Mind'' in 1908, McTaggart argues that time is unreal b ...
'' he argued that time is an illusion because it is impossible to produce a coherent account of a sequence of events. ''The Nature of Existence'' (1927) contained his arguments that space, time, and matter cannot possibly be real. In his ''Studies in Hegelian Cosmology'' (Cambridge, 1901, p196) he declared that metaphysics are not relevant to social and political action. McTaggart "thought that Hegel was wrong in supposing that metaphysics could show that the state is more than a means to the good of the individuals who compose it". For McTaggart "philosophy can give us very little, if any, guidance in action... Why should a Hegelian citizen be surprised that his belief as to the organic nature of the Absolute does not help him in deciding how to vote? Would a Hegelian engineer be reasonable in expecting that his belief that all matter is spirit should help him in planning a bridge? Thomas Davidson taught a philosophy called " apeirotheism", a "form of pluralistic idealism...coupled with a stern ethical rigorism" which he defined as "a theory of Gods infinite in number." The theory was indebted to Aristotle's pluralism and his concepts of Soul, the rational, living aspect of a living substance which cannot exist apart from the body because it is not a substance but an essence, and ''
nous ''Nous'', or Greek νοῦς (, ), sometimes equated to intellect or intelligence, is a concept from classical philosophy for the faculty of the human mind necessary for understanding what is true or real. Alternative English terms used in p ...
'', rational thought, reflection and understanding. Although a perennial source of controversy, Aristotle arguably views the latter as both eternal and immaterial in nature, as exemplified in his theology of
unmoved movers The unmoved mover ( grc, ὃ οὐ κινούμενον κινεῖ, ho ou kinoúmenon kineî, that which moves without being moved) or prime mover ( la, primum movens) is a concept advanced by Aristotle as a primary cause (or first uncaused cau ...
. Identifying Aristotle's God with rational thought, Davidson argued, contrary to Aristotle, that just as the soul cannot exist apart from the body, God cannot exist apart from the world. Idealist notions took a strong hold among physicists of the early 20th century confronted with the paradoxes of
quantum physics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, q ...
and the theory of relativity. In ''
The Grammar of Science ''The Grammar of Science'' is a book by Karl Pearson first published in hardback in 1892. In 1900, the second edition, published by Adam & Charles Black, appeared. The third, revised, edition was also published by Adam & Charles Black in 1911. It w ...
'', Preface to the 2nd Edition, 1900, Karl Pearson wrote, "There are many signs that a sound idealism is surely replacing, as a basis for natural philosophy, the crude
materialism Materialism is a form of philosophical monism which holds matter to be the fundamental substance in nature, and all things, including mental states and consciousness, are results of material interactions. According to philosophical materialism ...
of the older physicists." This book influenced Einstein's regard for the importance of the observer in scientific measurements. In § 5 of that book, Pearson asserted that "...science is in reality a classification and analysis of the contents of the mind..." Also, "...the field of science is much more
consciousness Consciousness, at its simplest, is sentience and awareness of internal and external existence. However, the lack of definitions has led to millennia of analyses, explanations and debates by philosophers, theologians, linguisticians, and scien ...
than an external world."
Arthur Eddington Sir Arthur Stanley Eddington (28 December 1882 – 22 November 1944) was an English astronomer, physicist, and mathematician. He was also a philosopher of science and a populariser of science. The Eddington limit, the natural limit to the lumi ...
, a British astrophysicist of the early 20th century, wrote in his book ''The Nature of the Physical World'' that "The stuff of the world is mind-stuff":
Ian Barbour Ian Graeme Barbour (1923–2013) was an American scholar on the relationship between science and religion. According to the Public Broadcasting Service his mid-1960s ''Issues in Science and Religion'' "has been credited with literally creating t ...
in his book ''Issues in Science and Religion'' (1966), p. 133, cites Arthur Eddington's ''The Nature of the Physical World'' (1928) for a text that argues The Heisenberg Uncertainty Principles provides a scientific basis for "the defense of the idea of human freedom" and his ''Science and the Unseen World'' (1929) for support of philosophical idealism "the thesis that reality is basically mental".
Sir James Jeans Sir James Hopwood Jeans (11 September 187716 September 1946) was an English physicist, astronomer and mathematician. Early life Born in Ormskirk, Lancashire, the son of William Tulloch Jeans, a parliamentary correspondent and author. Jeans was ...
wrote: "The stream of knowledge is heading towards a non-mechanical reality; the Universe begins to look more like a great thought than like a great machine. Mind no longer appears to be an accidental intruder into the realm of matter... we ought rather hail it as the creator and governor of the realm of matter." Jeans, in an interview published in '' The Observer'' (London), when asked the question: "Do you believe that life on this planet is the result of some sort of accident, or do you believe that it is a part of some great scheme?" replied: Addressing the
British Association The British Science Association (BSA) is a charity and learned society founded in 1831 to aid in the promotion and development of science. Until 2009 it was known as the British Association for the Advancement of Science (BA). The current Chie ...
in 1934, Jeans said: In ''The Universe Around Us'', Jeans writes: The chemist
Ernest Lester Smith Ernest is a given name derived from Germanic word ''ernst'', meaning "serious". Notable people and fictional characters with the name include: People *Archduke Ernest of Austria (1553–1595), son of Maximilian II, Holy Roman Emperor *Ernest, M ...
wrote a book ''Intelligence Came First'' (1975) in which he claimed that consciousness is a fact of nature and that the cosmos is grounded in and pervaded by mind and intelligence.
Bernard d'Espagnat Bernard d'Espagnat (22 August 1921 – 1 August 2015) was a French theoretical physicist, philosopher of science, and author, best known for his work on the nature of reality. Wigner-d'Espagnat inequality is partially named after him. ''Quote'': ...
, a French theoretical physicist best known for his work on the nature of reality, wrote a paper titled ''The Quantum Theory and Reality''. According to the paper: In a '' Guardian'' article entitled "Quantum Weirdness: What We Call 'Reality' is Just a State of Mind", d'Espagnat wrote: He further writes that his research in
quantum physics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, q ...
has led him to conclude that an "ultimate reality" exists, which is not embedded in space or time.


Contemporary idealists

There are various philosophers working in contemporary Western philosophy of mind who have recently defended an idealist stance. These include: * Nicholas Rescher *
Howard Robinson Howard Robinson (born 2 October 1945) is a British philosopher, specialising in various areas of philosophy of mind and metaphysics, best known for his work in the philosophy of perception. His contributions to philosophy include a defense of sense ...
* John McDowell — ''Mind and World'' (1996) * Vittorio Hösle — ''Objective Idealism, Ethics and Politics'' (1998) * John Leslie — ''Infinite Minds: A Philosophical Cosmology'' (2002). * John Foster — ''A World for Us'' (2008), coming from a traditional Christian theological perspective. *
Timothy Sprigge Timothy Lauro Squire Sprigge (14 January 1932 – 11 July 2007), usually cited as T. L. S. Sprigge, was a British idealist philosopher who spent the latter portion of his career at the University of Edinburgh, where he was Professor of Logic a ...
— ''The Vindication of Absolute Idealism'' (1984). * David Pearce — ''Non-Materialist Physicalism: An experimentally testable conjecture'' (2014) * Bernardo Kastrup — ''The Idea of the World'' (2018) * Donald D. Hoffman — ''The Case Against Reality'' (2019)


See also

* ''
Cogito ergo sum The Latin , usually translated into English as "I think, therefore I am", is the "first principle" of René Descartes's philosophy. He originally published it in French as , in his 1637 ''Discourse on the Method'', so as to reach a wider audi ...
'' *
Dialectical idealism Dialectical materialism is a philosophy of science, history, and nature developed in Europe and based on the writings of Karl Marx and Friedrich Engels. Marxist dialectics, as a materialist philosophy, emphasizes the importance of real-world co ...
* Metaphysical solipsism *
Mind over matter "Mind over matter" is a phrase that has been used in several contexts, such as mind-centric spiritual doctrines, parapsychology, and philosophy. Merriam Webster Dictionary defines mind as "the element or complex of elements in an individual th ...
* Moral idealism *
Neo-Vedanta Neo-Vedanta, also called Hindu modernism, neo-Hinduism, Global Hinduism and Hindu Universalism, are terms to characterize interpretations of Hinduism that developed in the 19th century. The term "Neo-Vedanta" was coined by German Indologist ...
* New Thought *
Panpsychism In the philosophy of mind, panpsychism () is the view that the mind or a mindlike aspect is a fundamental and ubiquitous feature of reality. It is also described as a theory that "the mind is a fundamental feature of the world which exists thro ...
* Rationality * Reason *
Spirituality The meaning of ''spirituality'' has developed and expanded over time, and various meanings can be found alongside each other. Traditionally, spirituality referred to a religious process of re-formation which "aims to recover the original shape o ...
* Teleological idealism


Notes


References

* ''Immanuel Kant's Critique of Pure Reason with an historical introduction by Ludwig Noiré'', available a

* Kierkegaard, Søren. ''Concluding Unscientific Postscript'', Princeton, * Neujahr, Philip J., ''Kant's Idealism'', Mercer University Press, 1995 * Watts, Michael. ''Kierkegaard'', Oneworld, *
Nisargadatta Maharaj Nisargadatta Maharaj (born Maruti Shivrampant Kambli; 17 April 1897 – 8 September 1981) was an Indian guru of nondualism, belonging to the Inchagiri Sampradaya, a lineage of teachers from the Navnath Sampradaya and Lingayat Shaivis ...
(1973), ''I Am That'' (Chetana Publishing, Mumbai, India), (paperback). *
Prabhat Rainjan Sarkar Prabhat Ranjan Sarkar (21 May 1921 – 21 October 1990), also known by his spiritual name Shrii Shrii Ánandamúrti (Ánanda Múrti="Bliss Embodiment"), and known as Bábá ("Father") to his disciples, was a spiritual Guru, philosopher, so ...
(1984), ''Human Society . Vols. I and II.'' (Ananda Marga Publications, Calcutta, India). * Sri Aurobindo (1984), ''The Life Divine,'' (Lotus Press, Twin Lakes, Wisconsin, USA) . *
Surendranath Dasgupta Surendranath Dasgupta (18 October 1887 – 18 December 1952) was an Indian scholar of Sanskrit and Indian philosophy. Family and education Surendranath Dasgupta was born to a Vaidya family in Kushtia, Bengal (now in Bangladesh), on Sunday, ...
(1969), ''Indian Idealism'' ( Cambridge University Press, New York, NY, USA), *
Fritjof Capra Fritjof Capra (born February 1, 1939) is an Austrian-born American physicist, systems theorist and deep ecologist. In 1995, he became a founding director of the Center for Ecoliteracy in Berkeley, California. He is on the faculty of Schumacher ...
(2002), ''
The Tao of Physics ''The Tao of Physics: An Exploration of the Parallels Between Modern Physics and Eastern Mysticism'' is a 1975 book by physicist Fritjof Capra. A bestseller in the United States, it has been translated into 23 languages. Capra summarized his mot ...
: An Exploration of the Parallels Between Modern Physics and Eastern Mysticism'' ( Shambhala Publications of Berkeley, California, USA), . *
Sohail Inayatullah Sohail Inayatullah is a Pakistani-born Australian academic, futures studies researcher and a professor at the Graduate Institute of Futures Studies at Tamkang University in Taipei, Taiwan. Biography Born in 1958 in Lahore, Pakistan, to a fathe ...
(2001), ''Understanding P. R. Sarkar: The Indian Episteme, Macrohistory and Transformative Knowledge,'' (Leiden,
Brill Publishers Brill Academic Publishers (known as E. J. Brill, Koninklijke Brill, Brill ()) is a Dutch international academic publisher founded in 1683 in Leiden, Netherlands. With offices in Leiden, Boston, Paderborn and Singapore, Brill today publishes ...
) .


Further reading

* Gustavus Watts Cunningham, ''Idealistic Argument in Recent British and American Philosophy'', Books For Libraries Press, 1967. * Hugh Joseph Tallon, ''The concept of self in British and American idealism'', Catholic University of America Press, 1939. * Gerald Thomas Baskfield, ''The idea of God in British and American personal idealism'', Catholic University of America, 1933. * Vergilius Ture Anselm Ferm, ''A history of philosophical systems'' Littlefield Adams, , 1968.


External links

* * * * *
A. C. Grayling-Wittgenstein on Scepticism and Certainty

Idealism and its practical use in physics and psychology

'The Triumph of Idealism'
lecture by Professor
Keith Ward Keith Ward (born 1938) is an English philosopher, and theologian. He is a fellow of the British Academy and a priest of the Church of England. He was a canon of Christ Church, Oxford, until 2003. Comparative theology and the relationship betw ...
offering a positive view of Idealism, at Gresham College, 13 March 2008 (available in text, audio and video download) {{Authority control Indian philosophy Metaphysical theories Monism Ontology Western philosophy