John Locke

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While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.

Our editors will review what you’ve submitted and determine whether to revise the article.

• Humanities LibreTexts - John Locke
• Free Speech Center at Middle Tennessee State University - John Locke
• Online Library of Liberty - John Locke (1632-1704)
• Stanford Encyclopedia of Philosophy - John Locke
• American Battlefield Trust - John Locke
• The Library of Economics and Liberty - Biography of John Locke
• World History Encyclopedia - John Locke
• Great Thinkers - John Locke, 1632 - 1704
• The Victorian Web - Biography of John Locke
• Internet Encyclopedia of Philosophy - Biography of John Locke

Professor Emeritus of the History of Philosophy, Keele University. Editor of Locke's Philosophy: Content and Context and others; author of Locke's Enlightenment: Aspects of the Origin, Nature.

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John Locke was an English philosopher and political theorist who was born in 1632 in Wrington, Somerset, England, and died in 1704 in High Laver, Essex. He is recognized as the founder of British empiricism and the author of the first systematic exposition and defense of political liberalism.

John Locke’s most famous works are An Essay Concerning Human Understanding (1689), in which he developed his theory of ideas and his account of the origins of human knowledge in experience, and Two Treatises of Government (first edition published in 1690 but substantially composed before 1683), in which he defended a theory of political authority based on natural individual rights and freedoms and the consent of the governed.

In epistemology (the philosophical theory of knowledge), John Locke argued against the existence of innate ideas (ideas present in the mind naturally or at birth) by showing how all except “trifling” human ideas may be derived from sensation or reflection (observation of the operations of the mind) and how knowledge may be defined in terms of the perception of agreement or connections between ideas.

In political theory, or political philosophy, John Locke refuted the theory of the divine right of kings and argued that all persons are endowed with natural rights to life, liberty, and property and that rulers who fail to protect those rights may be removed by the people, by force if necessary.

John Locke’s philosophy inspired and reflected Enlightenment values in its recognition of the rights and equality of individuals, its criticism of arbitrary authority (e.g., the divine right of kings), its advocacy of religious toleration, and its general empirical and scientific temperament.

John Locke’s political theory directly influenced the U.S. Declaration of Independence in its assertion of natural individual rights and its grounding of political authority in the consent of the governed. Locke also advocated a separation of executive, legislative, and judicial powers, a feature of the form of government established in the U.S. Constitution.

John Locke (born August 29, 1632, Wrington, Somerset, England—died October 28, 1704, High Laver, Essex) was an English philosopher whose works lie at the foundation of modern philosophical empiricism and political liberalism,classical liberalism in particular. He was an inspirer of both the European Enlightenment and the Constitution of the United States. His philosophical thinking was close to that of the founders of modern science, especially Robert Boyle, Sir Isaac Newton, and other members of the Royal Society. His political thought was grounded in the notion of a social contract between citizens and in the importance of toleration, especially in matters of religion. Much of what he advocated in the realm of politics was accepted in England after the Glorious Revolution of 1688–89 and in the United States after the country’s declaration of independence in 1776.

Early years

Locke’s family was sympathetic to Puritanism but remained within the Church of England, a situation that coloured Locke’s later life and thinking. Raised in Pensford, near Bristol, Locke was 10 years old at the start of the English Civil Wars between the monarchy of Charles I and parliamentary forces under the eventual leadership of Oliver Cromwell. Locke’s father, a lawyer, served as a captain in the cavalry of the parliamentarians and saw some limited action. From an early age, one may thus assume, Locke rejected any claim by the king to have a divine right to rule.

After the first Civil War ended in 1646, Locke’s father was able to obtain for his son, who had evidently shown academic ability, a place at Westminster School in distant London. It was to this already famous institution that Locke went in 1647, at age 14. Although the school had been taken over by the new republican government, its headmaster, Richard Busby (himself a distinguished scholar), was a royalist. For four years Locke remained under Busby’s instruction and control (Busby was a strong disciplinarian who much favoured the birch). In January 1649, just half a mile away from Westminster School, Charles was beheaded on the order of Cromwell. The boys were not allowed to attend the execution, though they were undoubtedly well aware of the events taking place nearby.

The curriculum of Westminster centred on Latin, Greek, Hebrew, Arabic, mathematics, and geography. In 1650 Locke was elected a King’s Scholar, an academic honour and financial benefit that enabled him to buy several books, primarily classic texts in Greek and Latin. Although Locke was evidently a good student, he did not enjoy his schooling; in later life he attacked boarding schools for their overemphasis on corporal punishment and for the uncivil behaviour of pupils. In his enormously influential work Some Thoughts Concerning Education (1693), he would argue for the superiority of private tutoring for the education of young gentlemen (see below Other works).

Oxford

In the autumn of 1652 Locke, at the comparatively late age of 20, entered Christ Church, the largest of the colleges of the University of Oxford and the seat of the court of Charles I during the Civil Wars. But the royalist days of Oxford were now behind it, and Cromwell’s Puritan followers filled most of the positions. Cromwell himself was chancellor, and John Owen, Cromwell’s former chaplain, was vice-chancellor and dean. Owen and Cromwell were, however, concerned to restore the university to normality as soon as possible, and this they largely succeeded in doing.

Locke later reported that he found the undergraduate curriculum at Oxford dull and unstimulating. It was still largely that of the medieval university, focusing on Aristotle (especially his logic) and largely ignoring important new ideas about the nature and origins of knowledge that had been developed in writings by Francis Bacon (1561–1626), René Descartes (1596–1650), and other natural philosophers. Although their works were not on the official syllabus, Locke was soon reading them. He graduated with a bachelor’s degree in 1656 and a master’s two years later, about which time he was elected a student (the equivalent of fellow) of Christ Church. At Oxford Locke made contact with some advocates of the new science, including Bishop John Wilkins, the astronomer and architect Christopher Wren, the physicians Thomas Willis and Richard Lower, the physicist Robert Hooke, and, most important of all, the eminent natural philosopher and theologian Robert Boyle. Locke attended classes in iatrochemistry (the early application of chemistry to medicine), and before long he was collaborating with Boyle on important medical research on human blood. Medicine from now on was to play a central role in his life.

The restoration of the English monarchy in 1660 was a mixed blessing for Locke. It led many of his scientific collaborators to return to London, where they soon founded the Royal Society, which provided the stimulus for much scientific research. But in Oxford the new freedom from Puritan control encouraged unruly behaviour and religious enthusiasms among the undergraduates. These excesses led Locke to be wary of rapid social change, an attitude that no doubt partly reflected his own childhood during the Civil Wars.

In his first substantial political work, Two Tracts on Government (composed in 1660 but first published three centuries later, in 1967), Locke defended a very conservative position: in the interest of political stability, a government is justified in legislating on any matter of religion that is not directly relevant to the essential beliefs of Christianity. This view, a response to the perceived threat of anarchy posed by sectarian differences, was diametrically opposed to the doctrine that he would later expound in Two Treatises of Government (1689).

In 1663 Locke was appointed senior censor in Christ Church, a post that required him to supervise the studies and discipline of undergraduates and to give a series of lectures. The resulting Essays on the Law of Nature (first published in 1954) constitutes an early statement of his philosophical views, many of which he retained more or less unchanged for the rest of his life. Of these probably the two most important were, first, his commitment to a law of nature, a natural moral law that underpins the rightness or wrongness of all human conduct, and, second, his subscription to the empiricist principle that all knowledge, including moral knowledge, is derived from experience and therefore not innate. These claims were to be central to his mature philosophy, both with regard to political theory and epistemology.