Natural theology, once also termed physico-theology, is a type of

theology Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is taught as an academic discipline, typically in universities and seminaries. It occupies itself with the unique content of analyzing th ...

that seeks to provide arguments for theological topics (such as the existence of a deity) based on

reason Reason is the capacity of Consciousness, consciously applying logic by Logical consequence, drawing conclusions from new or existing information, with the aim of seeking the truth. It is closely associated with such characteristically human activ ...

and the discoveries of

science Science is a systematic endeavor that Scientific method, builds and organizes knowledge in the form of Testability, testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earli ...

. This distinguishes it from revealed theology, which is based on

scripture Religious texts, including scripture, are texts which various religions consider to be of central importance to their religious tradition. They differ from literature by being a compilation or discussion of beliefs, mythologies, ritual pract ...

and/or religious experiences, also from transcendental theology, which is based on ''

a priori ("from the earlier") and ("from the later") are Latin phrases used in philosophy to distinguish types of knowledge, justification, or argument by their reliance on empirical evidence or experience. knowledge is independent from current ex ...

'' reasoning. It is thus a type of philosophy, with the aim of explaining the nature of the celestial motors, or

gods A deity or god is a supernatural being who is considered divine or sacred. The ''Oxford Dictionary of English'' defines deity as a god or goddess, or anything revered as divine. C. Scott Littleton defines a deity as "a being with powers great ...

, or of one supreme god, that are responsible for heavenly motion. Aristotle's tractate on metaphysics claims to demonstrate the necessary existence of an unmoved

prime mover Prime mover may refer to: Philosophy *Unmoved mover, a concept in Aristotle's writings Engineering * Prime mover (engine), motor, a machine that converts various other forms of energy (chemical, electrical, fluid pressure/flow, etc) into energy ...

. For

monotheistic religions Monotheism is the belief that there is only one deity, an all-supreme being that is universally referred to as God. Cross, F.L.; Livingstone, E.A., eds. (1974). "Monotheism". The Oxford Dictionary of the Christian Church (2 ed.). Oxford: Oxfor ...

, this principally involves arguments about the

attributes Attribute may refer to: * Attribute (philosophy), an extrinsic property of an object * Attribute (research), a characteristic of an object * Grammatical modifier, in natural languages * Attribute (computing), a specification that defines a pro ...

or non-attributes of a deity, and especially the deity's existence, using arguments that do not involve recourse to

revelation In religion and theology, revelation is the revealing or disclosing of some form of truth or knowledge through communication with a deity or other supernatural entity or entities. Background Inspiration – such as that bestowed by God on th ...

. The ideals of natural theology can be traced back to the

Old Testament The Old Testament (often abbreviated OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible or Tanakh, a collection of ancient religious Hebrew writings by the Israelites. The ...

and

Greek philosophy Ancient Greek philosophy arose in the 6th century BC, marking the end of the Greek Dark Ages. Greek philosophy continued throughout the Hellenistic period and the period in which Greece and most Greek-inhabited lands were part of the Roman Empi ...

. Early sources evident of these ideals come from

Jeremiah Jeremiah, Modern: , Tiberian: ; el, Ἰερεμίας, Ieremíās; meaning "Yah shall raise" (c. 650 – c. 570 BC), also called Jeremias or the "weeping prophet", was one of the major prophets of the Hebrew Bible. According to Jewis ...

and The Wisdom of Solomon (c. 50 BC) and Plato's dialogue

Timaeus Timaeus (or Timaios) is a Greek name. It may refer to: * ''Timaeus'' (dialogue), a Socratic dialogue by Plato *Timaeus of Locri, 5th-century BC Pythagorean philosopher, appearing in Plato's dialogue *Timaeus (historian) (c. 345 BC-c. 250 BC), Greek ...

(c. 360 BC).

Marcus Terentius Varro Marcus Terentius Varro (; 116–27 BC) was a Roman polymath and a prolific author. He is regarded as ancient Rome's greatest scholar, and was described by Petrarch as "the third great light of Rome" (after Vergil and Cicero). He is sometimes calle ...

(116–27 BCE) established a distinction between

political theology Political theology is a term which has been used in discussion of the ways in which theological concepts or ways of thinking relate to politics. The term ''political theology'' is often used to denote religious thought about political principled qu ...

(the social functions of religion), natural theology and

mythical theology Mythical theology (''theologica mythica'') is one of three types of theology defined by the Roman scholar Marcus Terentius Varro (116–27 BC) in his lost work ''Antiquitates rerum humanarum et divinarum''. The other two are political theology ...

. His terminology became part of the

Stoic Stoic may refer to: * An adherent of Stoicism Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century BCE. It is a philosophy of personal virtue ethics informed by its system of logic and ...

tradition and then

Christianity Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesu ...

through

Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North A ...

and

Thomas Aquinas Thomas Aquinas, OP (; it, Tommaso d'Aquino, lit=Thomas of Aquino; 1225 – 7 March 1274) was an Italian Dominican friar and priest who was an influential philosopher, theologian and jurist in the tradition of scholasticism; he is known wi ...

Ancient Greece

Besides

Hesiod Hesiod (; grc-gre, Ἡσίοδος ''Hēsíodos'') was an ancient Greek poet generally thought to have been active between 750 and 650 BC, around the same time as Homer. He is generally regarded by western authors as 'the first written poet i ...

's ''

Works and Days ''Works and Days'' ( grc, Ἔργα καὶ Ἡμέραι, Érga kaì Hēmérai)The ''Works and Days'' is sometimes called by the Latin translation of the title, ''Opera et Dies''. Common abbreviations are ''WD'' and ''Op''. for ''Opera''. is a ...

'' and Zarathushtra's

Gathas The Gathas ()"Gatha"
''

Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institutio ...

gives the earliest surviving account of a natural theology. In the ''

'', written , we read: "We must first investigate concerning he whole Cosmosthat primary question which has to be investigated at the outset in every case, — namely, whether it has always existed, having no beginning or generation, or whether it has come into existence, having begun from some beginning." In the ''

Laws Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its precise definition a matter of longstanding debate. It has been vario ...

'', in answer to the question as to what arguments justify faith in the gods, Plato affirms: "One is our dogma about the soul...the other is our dogma concerning the ordering of the motion of the stars".

Ancient Rome

in his (lost) ''

Antiquitates rerum humanarum et divinarum ''Antiquitates rerum humanarum et divinarum'' (''Antiquities of Human and Divine Things'') was one of the chief works of Marcus Terentius Varro (1st century BC). The work has been lost, but having been substantially quoted by Augustine in his ''De ...

'' (''Antiquities of Human and Divine Things'', 1st century BCE) established a distinction between three kinds of theology: civil (political) (''theologia civilis''), natural (physical) (''theologia naturalis'') and

mythical Myth is a folklore genre consisting of narratives that play a fundamental role in a society, such as foundational tales or origin myths. Since "myth" is widely used to imply that a story is not objectively true, the identification of a narrati ...

(''theologia mythica''). The theologians of civil theology are "the people", asking how the gods relate to daily life and the state (

imperial cult An imperial cult is a form of state religion in which an emperor or a dynasty of emperors (or rulers of another title) are worshipped as demigods or deities. "Cult" here is used to mean "worship", not in the modern pejorative sense. The cult ma ...

). The theologians of natural theology are the

philosophers A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φιλόσοφος, , translit=philosophos, meaning 'lover of wisdom'. The coining of the term has been attributed to the Greek th ...

, asking about the nature of the gods, and the theologians of mythical theology are the

poet A poet is a person who studies and creates poetry. Poets may describe themselves as such or be described as such by others. A poet may simply be the creator ( thinker, songwriter, writer, or author) who creates (composes) poems ( oral or wr ...

s, crafting

mythology Myth is a folklore genre consisting of Narrative, narratives that play a fundamental role in a society, such as foundational tales or Origin myth, origin myths. Since "myth" is widely used to imply that a story is not Objectivity (philosophy), ...

Middle Ages

From the 8th century CE, the

Mutazilite Muʿtazila ( ar, المعتزلة ', English: "Those Who Withdraw, or Stand Apart", and who called themselves ''Ahl al-ʿAdl wa al-Tawḥīd'', English: "Party of ivineJustice and Oneness f God); was an Islamic group that appeared in early Islami ...

school of Islam, compelled to defend their principles against the orthodox Islam of their day, used philosophy for support, and were among the first to pursue a rational

Islamic theology Schools of Islamic theology are various Islamic schools and branches in different schools of thought regarding '' ʿaqīdah'' (creed). The main schools of Islamic Theology include the Qadariyah, Falasifa, Jahmiyya, Murji'ah, Muʿtazila, Bat ...

, termed ''Ilm-al-

Kalam ''ʿIlm al-Kalām'' ( ar, عِلْم الكَلام, literally "science of discourse"), usually foreshortened to ''Kalām'' and sometimes called "Islamic scholastic theology" or "speculative theology", is the philosophical study of Islamic doc ...

'' (