Early lifeLocke was born on 29 August 1632, in a small thatched by the church in , Somerset, about 12 miles from . He was the same day, as both of his parents were . Locke's father, also called John, was an attorney who served as clerk to the in and as a captain of for the forces during the early part of the . His mother was Agnes Keene. Soon after Locke's birth, the family moved to the of , about seven miles south of Bristol, where Locke grew up in a rural house in . In 1647, Locke was sent to the prestigious in London under the sponsorship of , a member of Parliament and John Sr.'s former commander. After completing studies there, he was admitted to , , in the autumn of 1652 at the age of 20. The dean of the college at the time was John Owen, vice-chancellor of the university. Although a capable student, Locke was irritated by the undergraduate curriculum of the time. He found the works of modern philosophers, such as , more interesting than the material taught at the university. Through his friend Richard Lower, whom he knew from the Westminster School, Locke was introduced to medicine and the being pursued at other universities and in the , of which he eventually became a member. Locke was awarded a in February 1656 and a in June 1658. He obtained a in February 1675, having studied the subject extensively during his time at Oxford and, in addition to Lower, worked with such noted scientists and thinkers as , and . In 1666, he met Anthony Ashley Cooper, Lord Ashley, who had come to Oxford seeking treatment for a infection. Ashley was impressed with Locke and persuaded him to become part of his retinue.
WorkLocke had been looking for a career and in 1667 moved into Ashley's home at Exeter House in London, to serve as his personal physician. In London, Locke resumed his medical studies under the tutelage of . Sydenham had a major effect on Locke's natural philosophical thinkingan effect that would become evident in '' .'' Locke's medical knowledge was put to the test when Ashley's liver infection became life-threatening. Locke coordinated the advice of several physicians and was probably instrumental in persuading Ashley to undergo surgery (then life-threatening itself) to remove the cyst. Ashley survived and prospered, crediting Locke with saving his life. During this time, Locke served as Secretary of the and Plantations and Secretary to the s of Carolina, which helped to shape his ideas on international trade and economics. Ashley, as a founder of the movement, exerted great influence on Locke's political ideas. Locke became involved in politics when Ashley became in 1672 (Ashley being created in 1673). Following Shaftesbury's fall from favour in 1675, Locke spent some time travelling across France as a tutor and medical attendant to Caleb Banks. He returned to England in 1679 when Shaftesbury's political fortunes took a brief positive turn. Around this time, most likely at Shaftesbury's prompting, Locke composed the bulk of the '' ''. While it was once thought that Locke wrote the ''Treatises'' to defend the of 1688, recent scholarship has shown that the work was composed well before this date. The work is now viewed as a more general argument against (particularly as espoused by and ) and for individual consent as the basis of . Although Locke was associated with the influential Whigs, his ideas about and government are today considered quite revolutionary for that period in English history.
The NetherlandsLocke fled to the in 1683, under strong suspicion of involvement in the , although there is little evidence to suggest that he was directly involved in the scheme. The philosopher and novelist argues that during his five years in Holland, Locke chose his friends "from among the same freethinking members of dissenting Protestant groups as small group of loyal confidants. aruch Spinoza had died in 1677.Locke almost certainly met men in Amsterdam who spoke of the ideas of that renegade Jew who... insisted on identifying himself through his religion of reason alone." While she says that "Locke's strong empiricist tendencies" would have "disinclined him to read a grandly metaphysical work such as Spinoza's '' '', in other ways he was deeply receptive to Spinoza's ideas, most particularly to the rationalist's well thought out argument for political and and the necessity of the separation of church and state." In the Netherlands, Locke had time to return to his writing, spending a great deal of time working on the ''Essay Concerning Human Understanding'' and composing the ''Letter on Toleration.'' Locke did not return home until after the . Locke accompanied back to England in 1688. The bulk of Locke's publishing took place upon his return from exilehis aforementioned '' '', the '' '' and '' '' all appearing in quick succession. Locke's close friend invited him to join her at Otes, the Mashams' country house in Essex. Although his time there was marked by variable health from attacks, he nevertheless became an intellectual hero of the Whigs. During this period he discussed matters with such figures as and .
DeathHe died on 28 October 1704, and is buried in the churchyard of the village of , east of in Essex, where he had lived in the household of Sir Francis Masham since 1691. Locke never married nor had children. Events that happened during Locke's lifetime include the , the , the , and the . He did not quite see the , though the thrones of England and Scotland were held in throughout his lifetime. and were in their infancy during Locke's time.
PhilosophyIn the late 17th and early 18th centuries, Locke's '' Two Treatises'' were rarely cited. Historian Julian Hoppit said of the book, "except among some Whigs, even as a contribution to the intense debate of the 1690s it made little impression and was generally ignored until 1703 (though in Oxford in 1695 it was reported to have made 'a great noise')." John Kenyon, in his study of British political debate from 1689 to 1720, has remarked that Locke's theories were "mentioned so rarely in the early stages of the loriousRevolution, up to 1692, and even less thereafter, unless it was to heap abuse on them" and that "no one, including most Whigs, ready for the idea of a notional or abstract contract of the kind adumbrated by Locke." In contrast, Kenyon adds that 's ''Discourses Concerning Government'' were "certainly much more influential than Locke's ''Two Treatises.''"Kenyon (1977) adds: "Any unbiassed study of the position shows in fact that it was Filmer, not Hobbes, Locke or Sidney, who was the most influential thinker of the age" (p. 63). In the 50 years after Queen Anne's death in 1714, the ''Two Treatises'' were reprinted only once (except in the collected works of Locke). However, with the rise of American resistance to British taxation, the '' '' gained a new readership; it was frequently cited in the debates in both America and Britain. The first American printing occurred in 1773 in Boston. Locke exercised a profound influence on , in particular on modern liberalism. Michael Zuckert has argued that Locke launched liberalism by tempering Hobbesian absolutism and clearly separating the realms of Church and State. He had a strong influence on who called him "''le sage'' Locke." His arguments concerning and the later influenced the written works of , , , and other . In fact, one passage from the ''Second Treatise'' is reproduced verbatim in the Declaration of Independence, the reference to a "long train of abuses." Such was Locke's influence that Thomas Jefferson wrote:
However, Locke's influence may have been even more profound in the realm of , Locke and … I consider them as the three greatest men that have ever lived, without any exception, and as having laid the foundation of those superstructures which have been raised in the Physical and Moral sciences. . Locke redefined , or ''self'', leading such as and Jerrold Seigel to argue that Locke's '' '' (1689/90) marks the beginning of the modern Western conception of the ''self''. Locke's Associationism, theory of association heavily influenced the subject matter of modern psychology. At the time, Locke's recognition of two types of ideas, ''simple'' and ''complex''—and, more importantly, their interaction through associationism—inspired other philosophers, such as and George Berkeley, to revise and expand this theory and apply it to explain how humans gain knowledge in the physical world.
Religious toleranceLocke, writing his ''A Letter Concerning Toleration, Letters Concerning Toleration'' (1689–1692) in the aftermath of the European wars of religion, formulated a classic reasoning for Toleration, religious tolerance, in which three arguments are central: # Earthly judges, State (polity), the state in particular, and human beings generally, cannot dependably evaluate the Truth claim, truth-claims of competing religious standpoints; # Even if they could, enforcing a single 'true religion' would not have the desired effect, because belief cannot be compelled by violence; # Coercing religious uniformity would lead to more social disorder than allowing diversity. With regard to his position on religious tolerance, Locke was influenced by Baptist theologians like John Smyth (Baptist minister), John Smyth and Thomas Helwys, who had published Tract (literature), tracts demanding Freedom of thought, freedom of conscience in the early 17th century. Baptist theologian Roger Williams (theologian), Roger Williams founded the colony of Rhode Island in 1636, where he combined a Democracy, democratic constitution with unlimited religious freedom. His tract, ''The Bloudy Tenent of Persecution for Cause of Conscience'' (1644), which was widely read in the mother country, was a passionate plea for absolute religious freedom and the total separation of church and state. Freedom of conscience had had high priority on the theological, philosophical, and political agenda, as Martin Luther refused to recant his beliefs before the List of Imperial Diet participants (1792), Diet of the Holy Roman Empire at Diet of Worms, Worms in 1521, unless he would be proved false by the Bible.
Slavery and child labourLocke's views on slavery were multifaceted and complex. Although he wrote against slavery in general in his writing, Locke was an investor and beneficiary of the Atlantic slave trade, slave trading Royal African Company, Royal Africa Company. In addition, while secretary to the Anthony Ashley Cooper, 1st Earl of Shaftesbury, Earl of Shaftesbury, Locke participated in drafting the ''Fundamental Constitutions of Carolina'', which established a Feudalism, quasi-feudal aristocracy and gave Carolinian Planter class, planters absolute power over their enslaved chattel property; the constitutions pledged that "every freeman of Carolina shall have absolute power and authority over his negro slaves". Philosopher Martin Cohen (philosopher), Martin Cohen noted that Locke, as a secretary to the Council of Trade and Plantations and a member of the , was "one of just half a dozen men who created and supervised both the colonies and their iniquitous systems of servitude". According to American historian James Farr, Locke never expressed any thoughts concerning his contradicting opinions regarding slavery, which Farr ascribed to his personal involvement in the slave trade. Locke's positions on slavery have been described as hypocritical, and laying the foundation for the Founding Fathers of the United States, Founding Fathers to hold similar contradicting thoughts regarding freedom and slavery. Locke also drafted implementing instructions for the Carolina colonists designed to ensure that settlement and development was consistent with the Fundamental Constitutions. Collectively, these documents are known as the Grand Model for the Province of Carolina. Historian Holly Brewer has however argued that Locke's role in the Constitution of Carolina was exaggerated and that he was merely paid to revise and make copies of a document that had already been partially written before Locke became involved; she compares Locke's role to a lawyer writing a will. She further notes that Locke was paid in Royal African Company stock in lieu of money for his work as a secretary for a governmental sub-committee and that he sold the stock after only a few years. Brewer likewise argues that Locke actively worked to undermine slavery in Virginia while heading a Board of Trade created by William of Orange following the Glorious Revolution. He specifically attacked colonial policy granting land to slave owners and encouraged the baptism and Christian education of the children of enslaved Africans to undercut a major justification of slavery- specifically, that they were heathens that possessed no rights. Locke also supported child labour. In his "Essay on the Poor Law," Locke turns to the education of the poor; he laments that "the children of labouring people are an ordinary burden to the parish, and are usually maintained in idleness, so that their labour also is generally lost to the public till they are 12 or 14 years old." He suggests, therefore, that "working schools" be set up in each parish in England for poor children so that they will be "from infancy [three years old] inured to work." He goes on to outline the economics of these schools, arguing not only that they will be profitable for the parish, but also that they will instill a good work ethic in the children.
GovernmentLocke's political theory was founded upon that of . Unlike , Locke believed that human nature is characterised by reason and Toleration, tolerance. Like Hobbes, Locke believed that human nature allowed people to be selfish. This is apparent with the introduction of currency. In a State of nature#Locke's view on the state of nature, natural state, all people were equal and independent, and everyone had a natural right to defend his "life, health, liberty, or possessions."Locke, John.  2017.
Limits to accumulationsAccording to Locke, unused property is wasteful and an offence against nature, but, with the introduction of Durable good, "durable" goods, men could exchange their excessive perishable goods for those which would last longer and thus not offend the natural law. In his view, the introduction of money marked the culmination of this process, making possible the unlimited accumulation of property without causing waste through spoilage. He also includes gold or silver as money because they may be "hoarded up without injury to anyone," as they do not spoil or decay in the hands of the possessor. In his view, the introduction of money eliminates the limits of accumulation. Locke stresses that inequality has come about by tacit agreement on the use of money, not by the social contract establishing civil society or the Land law, law of land regulating property. Locke is aware of a problem posed by unlimited accumulation but does not consider it his task. He just implies that government would function to moderate the conflict between the unlimited accumulation of property and a more nearly equal distribution of wealth; he does not identify which principles that government should apply to solve this problem. However, not all elements of his thought form a consistent whole. For example, the labour theory of value in the '' '' stands side by side with the demand-and-supply theory of value developed in a letter he wrote titled ''Some Considerations on the Consequences of the Lowering of Interest and the Raising of the Value of Money''. Moreover, Locke anchors property in labour but in the end, upholds the unlimited accumulation of wealth.
On price theoryLocke's general theory of value and price is a supply and demand, supply-and-demand theory, set out in a letter to a member of parliament in 1691, titled ''Some Considerations on the Consequences of the Lowering of Interest and the Raising of the Value of Money''. In it, he refers to supply as ''quantity'' and demand as Economic rent, ''rent'': "The price of any commodity rises or falls by the proportion of the number of buyers and sellers," and "that which regulates the price…[of goods] is nothing else but their quantity in proportion to their rent." The quantity theory of money forms a special case of this general theory. His idea is based on "money answers all things" (Ecclesiastes) or "rent of money is always sufficient, or more than enough," and "varies very little…" Locke concludes that, as far as money is concerned, the demand is exclusively regulated by its quantity, regardless of whether the demand for money is unlimited or constant. He also investigates the determinants of demand and supply. For Supply (economics), supply, he explains the value of goods as based on their scarcity and ability to be Exchange value, exchanged and Consumption (economics), consumed. He explains demand for goods as based on their ability to yield a flow of income. Locke develops an early theory of Capital (economics), capitalisation, such as land, which has value because "by its constant production of saleable Commodity, commodities it brings in a certain yearly income." He considers the demand for money as almost the same as demand for goods or land: it depends on whether money is wanted as medium of exchange. As a medium of exchange, he states that "money is capable by exchange to procure us the necessaries or conveniences of life," and for loanable funds, "it comes to be of the same nature with land by yielding a certain yearly income…or interest."
Monetary thoughtsLocke distinguishes two functions of money: as a ''counter'' to Valuation (finance), measure value, and as a ''pledge'' to lay claim to good (economics), goods. He believes that silver and gold, as opposed to Banknote, paper money, are the appropriate currency for international transactions. Silver and gold, he says, are treated to have equal value by all of humanity and can thus be treated as a pledge by anyone, while the value of paper money is only valid under the government which issues it. Locke argues that a country should seek a favourable balance of trade, lest it fall behind other countries and suffer a loss in its trade. Since the world Money supply, money stock grows constantly, a country must constantly seek to enlarge its own stock. Locke develops his theory of foreign exchanges, in addition to commodity movements, there are also movements in country stock of money, and movements of capital determine exchange rates. He considers the latter less significant and less Volatility (finance), volatile than commodity movements. As for a country's money stock, if it is large relative to that of other countries, he says it will cause the country's exchange to rise above par, as an export balance would do. He also prepares estimates of the cash requirements for different economic groups (Land tenure, landholders, labourers, and brokers). In each group he posits that the cash requirements are closely related to the length of the pay period. He argues the brokers—the Intermediary, middlemen—whose activities enlarge the monetary circuit and whose profits eat into the earnings of labourers and landholders, have a negative influence on both personal and the public economy to which they supposedly contribute.
Theory of value and propertyLocke uses the concept of ''Property (philosophy), property'' in both broad and narrow terms: broadly, it covers a wide range of human interests and aspirations; more particularly, it refers to Tangible property, material goods. He argues that property is a Natural rights and legal rights, natural right that is derived from manual labour, labour. In Chapter V of his ''Two Treatises of Government, Second Treatise'', Locke argues that the individual ownership of goods and property is justified by the labour exerted to produce such goods—"at least where there is enough [land], and as good, left in common for others" (para. 27)—or use property to produce goods beneficial to human society. Locke stated his belief, in his ''Second Treatise'', that nature on its own provides little of value to society, implying that the labour expended in the creation of goods gives them their value. From this premise, understood as a Labor theory of value, ''labour theory of value'', Locke developed a Labor theory of property, ''labour theory of property'', whereby ownership of property is created by the application of labour. In addition, he believed that property precedes government and government cannot "dispose of the estates of the subjects arbitrarily." Karl Marx later critiqued Locke's theory of property in his own social theory.
The human mind
The selfLocke defines ''the self'' as "that conscious thinking thing, (whatever substance, made up of whether spiritual, or material, simple, or compounded, it matters not) which is sensible, or conscious of pleasure and pain, capable of happiness or misery, and so is concerned for itself, as far as that consciousness extends." He does not, however, ignore "substance", writing that "the body too goes to the making the man". In his ''Essay'', Locke explains the gradual unfolding of this conscious mind. Arguing against both the Augustine of Hippo, Augustinian view of man as original sin, originally sinful and the René Descartes, Cartesian position, which holds that man innately knows basic logical propositions, Locke posits an 'empty mind', a '' '', which is shaped by experience; Wikt:sensation, sensations and human self-reflection, reflections being the two sources of ''all'' of our ideas. He states in ''An Essay Concerning Human Understanding'':
This source of ideas every man has wholly within himself; and though it be not sense, as having nothing to do with external objects, yet it is very like it, and might properly enough be called 'internal sense.'Locke's ''Some Thoughts Concerning Education'' is an outline on how to educate this mind. Drawing on thoughts expressed in letters written to Mary Clarke (letter writer), Mary Clarke and her husband about their son, he expresses the belief that education makes the manor, more fundamentally, that the mind is an "empty cabinet":
I think I may say that of all the men we meet with, nine parts of ten are what they are, good or evil, useful or not, by their education.Locke also wrote that "the little and almost insensible impressions on our tender infancies have very important and lasting consequences". He argued that the "Association of Ideas, associations of ideas" that one makes when young are more important than those made later because they are the foundation of the ''self''; they are, put differently, what first mark the ''tabula rasa''. In his ''Essay'', in which both these concepts are introduced, Locke warns against, for example, letting "a foolish maid" convince a child that "goblins and sprites" are associated with the night for "darkness shall ever afterwards bring with it those frightful ideas, and they shall be so joined, that he can no more bear the one than the other". This theory came to be called ''associationism'', going on to strongly influence 18th-century thought, particularly education theory, educational theory, as nearly every educational writer warned parents not to allow their children to develop negative associations. It also led to the development of psychology and other new disciplines with David Hartley (philosopher), David Hartley's attempt to discover a biological mechanism for associationism in his ''Observations on Man'' (1749).
Dream argumentLocke was critical of Descartes' version of the dream argument, with Locke making the counter-argument that people cannot have physical pain in dreams as they do in waking life.
Religious beliefsSome scholars have seen Locke's political convictions as being based from his religious beliefs. Locke's religious trajectory began in Calvinist trinitarianism, but by the time of the ''Reflections'' (1695) Locke was advocating not just Socinianism, Socinian views on tolerance but also Socinian Christology.. However Wainwright (1987) notes that in the posthumously published ''Paraphrase'' (1707) Locke's interpretation of one verse, Ephesians 1:10, is markedly different from that of Socinians like John Biddle (Unitarian), Biddle, and may indicate that near the end of his life Locke returned nearer to an Arianism, Arian position, thereby accepting Christ's pre-existence. Locke was at times not sure about the subject of original sin, so he was accused of Socinianism, Arianism, or Deism. Locke argued that the idea that "all ''Adams Posterity [are] doomed to Eternal Infinite Punishment, for the Transgression of ''Adam''" was "little consistent with the Justice or Goodness of the Great and Infinite God", leading Eric Nelson (historian), Eric Nelson to associate him with Pelagianism, Pelagian ideas. However, he did not deny the reality of evil. Man was capable of waging unjust wars and committing crimes. Criminals had to be punished, even with the death penalty. With regard to the Bible, Locke was very conservative. He retained the doctrine of the verbal inspiration of the Scriptures. The miracles were proof of the divine nature of the biblical message. Locke was convinced that the entire content of the Bible was in agreement with human reason (''The Reasonableness of Christianity'', 1695). Although Locke was an advocate of tolerance, he urged the authorities not to tolerate atheism, because he thought the denial of God's existence would undermine the social order and lead to chaos. That excluded all atheistic varieties of philosophy and all attempts to deduce ethics and natural law from purely secular premises. In Locke's opinion the cosmological argument was valid and proved God's existence. His political thought was based on Protestant Christian views. Additionally, Locke advocated a sense of piety out of gratitude to God for giving reason to men.
Philosophy from religionLocke's concept of man started with the belief in creation. Like philosophers Hugo Grotius and Samuel Pufendorf, Locke equated natural law with the biblical revelation. Locke derived the fundamental concepts of his political theory from biblical texts, in particular from Book of Genesis, Genesis 1 and 2 (Genesis creation narrative, creation), the Ten Commandments, Decalogue, the Golden Rule, the teachings of Jesus, and the letters of Paul the Apostle. Ten Commandments, The Decalogue puts a person's life, reputation and property under God's protection. Locke's philosophy on freedom is also derived from the Bible. Locke derived from the Bible basic human equality (including equality of the sexes), the starting point of the theological doctrine of Imago Dei. To Locke, one of the consequences of the principle of equality was that all humans were created equally free and therefore governments needed the consent of the governed. Locke compared the English monarchy's rule over the British people to Adam's rule over Eve in Genesis, which was appointed by God. Following Locke's philosophy, the American United States Declaration of Independence, Declaration of Independence founded human rights partially on the biblical belief in creation. Locke's doctrine that governments need the consent of the governed is also central to the Declaration of Independence.
Library and manuscriptsLocke was an assiduous book collector and notetaker throughout his life. By his death in 1704, Locke had amassed a library of more than 3,000 books, a significant number in the seventeenth century. Unlike some of his contemporaries, Locke took care to catalogue and preserve his library, and his will made specific provisions for how his library was to be distributed after his death. Locke's will offered Lady Masham the choice of "any four folios, eight quartos and twenty books of less volume, which she shall choose out of the books in my Library."Quoted in Harrison, John; Laslett, Peter (1971). ''The Library of John Locke''. Oxford: Clarendon Press. p. 8. Locke also gave six titles to his “good friend” Anthony Collins, but Locke bequeathed the majority of his collection to his cousin Peter King, 1st Baron King, Peter King (later Lord King) and to Lady Masham's son, Francis Cudworth Masham. Francis Masham was promised one “moiety” (half) of Locke's library when he reached “the age of one and twenty years.” The other “moiety” of Locke's books, along with his manuscripts, passed to his cousin King. Over the next two centuries, the Masham portion of Locke's library was dispersed. The manuscripts and books left to King, however, remained with King's descendants (later the Earl of Lovelace, Earls of Lovelace), until most of the collection was bought by the Bodleian Library, Bodleian Library, Oxford in 1947. Another portion of the books Locke left to King was discovered by the collector and philanthropist Paul Mellon in 1951. Mellon supplemented this discovery with books from Locke's library which he bought privately, and in 1978, he transferred his collection to the Bodleian. The holdings in the Locke Room at the Bodleian have been a valuable resource for scholars interested in Locke, his philosophy, practices for information management, and the history of the book. The printed books in Locke's library reflected his various intellectual interests as well as his movements at different stages of his life. Locke travelled extensively in France and the Netherlands during the 1670s and 1680s, and during this time he acquired many books from the continent. Only half of the books in Locke's library were printed in England, while close to 40% came from France and the Netherlands. These books cover a wide range of subjects. According to John Harrison and Peter Laslett, the largest genres in Locke's library were theology (23.8% of books), medicine (11.1%), politics and law (10.7%), and classical literature (10.1%). The Bodleian library currently holds more than 800 of the books from Locke's library. These include Locke's copies of works by several of the most influential figures of the seventeenth century, including * The Quaker William Penn: ''An address to Protestants of all perswasions'' (Bodleian Locke 7.69a) * The explorer Francis Drake: ''The world encompassed by Sir Francis Drake'' (Bodleian Locke 8.37c) * The scientist : ''A discourse of things above reason'' (Bodleian Locke 7.272) * The bishop and historian Thomas Sprat: ''The history of the Royal-Society of London'' (Bodleian Locke 9.10a) Many of the books still contain Locke's signature, which he often made on the pastedowns of his books. Many also include Locke's marginalia. In addition to books owned by Locke, the Bodleian also possesses more than 100 manuscripts related to Locke or written in his hand. Like the books in Locke's library, these manuscripts display a range of interests and provide different windows into Locke's activity and relationships. Several of the manuscripts include letters to and from acquaintances like Peter King (MS Locke b. 6) and :fr:Nicolas Toinard, Nicolas Toinard (MS Locke c. 45).Clapinson, M, and TD Rogers. 1991. ''Summary Catalogue of Post-Medieval Western Manuscripts in the Bodleian Library, Oxford''. Vol. 2. Oxford University Press. MS Locke f. 1–10 contain Locke's journals for most years between 1675 and 1704. Some of the most significant manuscripts include early drafts of Locke's writings, such as his ''An Essay Concerning Human Understanding, Essay concerning human understanding'' (MS Locke f. 26). The Bodleian also holds a copy of Robert Boyle's ''General History of the Air'' with corrections and notes Locke made while preparing Boyle's work for posthumous publication (MS Locke c. 37 ). Other manuscripts contain unpublished works. Among others, MS. Locke e. 18 includes some of Locke's thoughts on the , which Locke sent to his friend Edward Clarke but never published. One of the largest categories of manuscript at the Bodleian comprises Locke's notebooks and commonplace books. The scholar Richard Yeo calls Locke a "Master Note-taker" and explains that "Locke's methodical note-taking pervaded most areas of his life." In an unpublished essay “Of Study,” Locke argued that a notebook should work like a “chest-of-drawers” for organizing information, which would be a "great help to the memory and means to avoid confusion in our thoughts." Locke kept several notebooks and commonplace books, which he organized according to topic. MS Locke c. 43 includes Locke's notes on theology, while MS Locke f. 18–24 contain medical notes. Other notebooks, such as MS c. 43, incorporate several topics in the same notebook, but separated into sections. These commonplace books were highly personal and were designed to be used by Locke himself rather than accessible to a wide audience. Locke's notes are often abbreviated and are full of codes which he used to reference material across notebooks. Another way Locke personalized his notebooks was by devising his own method of creating indexes using a grid system and Latin keywords. Instead of recording entire words, his indexes shortened words to their first letter and vowel. Thus, the word "Epistle" would be classified as "Ei". Locke published his method in French in 1686, and it was iarchive:gu newmethodmaki00lock, republished posthumously in English in 1706. Some of the books in Locke's library at the Bodleian are a combination of manuscript and print. Locke had some of his books interleaved, meaning that they were bound with blank sheets in-between the printed pages to enable annotations. Locke interleaved and annotated his five volumes of the New Testament in French, Greek, and Latin (Bodleian Locke 9.103-107). Locke did the same with his copy of Thomas Hyde's Bodleian Library catalogue (Bodleian Locke 16.17), which Locke used to create a catalogue of his own library.
List of major works* 1689. '' ''. ** 1690. ''A Second Letter Concerning Toleration'' ** 1692. ''A Third Letter for Toleration'' * 1689/90. '' '' (published throughout the 18th century by London bookseller Andrew Millar by commission for Thomas Hollis (1720–1774), Thomas Hollis) * 1689/90. '' '' * 1691. ''Some Considerations on the consequences of the Lowering of Interest and the Raising of the Value of Money'' * 1693. ''Some Thoughts Concerning Education'' * 1695. ''The Reasonableness of Christianity, as Delivered in the Scriptures'' ** 1695. ''A Vindication of the Reasonableness of Christianity''
Major posthumous manuscripts* 1660. ''First Tract of Government'' (or ''the English Tract'') * ''c.''1662. ''Second Tract of Government'' (or ''the Latin Tract'') * 1664. ''Questions Concerning the Law of Nature''.Locke, John.  1990. ''Questions Concerning the Law of Nature'' (definitive Latin text), translated by R. Horwitz, et al. Ithaca: Cornell University Press. * 1667. ''Essay Concerning Toleration'' * 1706. ''Of the Conduct of the Understanding'' * 1707. ''A paraphrase and notes on the Epistles of St. Paul to the Galatians, 1 and 2 Corinthians, Romans, Ephesians''
See also* List of liberal theorists
Sources* Richard Ashcraft, Ashcraft, Richard, 1986. ''Revolutionary Politics & Locke's Two Treatises of Government.'' Princeton: Princeton University Press. Discusses the relationship between Locke's philosophy and his political activities. * Michael R. Ayers, Ayers, Michael, 1991. ''Locke. Epistemology & Ontology'' Routledge (the standard work on Locke's Essay Concerning Human Understanding.) * Bernard Bailyn, Bailyn, Bernard, 1992 (1967). ''The Ideological Origins of the American Revolution''. Harvard Uni. Press. Discusses the influence of Locke and other thinkers upon the American Revolution and on subsequent American political thought. * * Gerald Cohen, Cohen, Gerald, 1995. 'Marx and Locke on Land and Labour', in his ''Self-Ownership, Freedom and Equality'', Oxford University Press. * Cox, Richard, ''Locke on War and Peace'', Oxford: Oxford University Press, 1960. A discussion of Locke's theory of international relations. * Vere Claiborne Chappell, Chappell, Vere, ed., 1994. ''The Cambridge Companion to Locke''. Cambridge U.P
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