John Locke
The Father of Liberalism
In the winter of 1689, John Locke stepped off a ship in England after six years of political exile in Holland — and within months published three works that would reshape Western civilisation. His Essay Concerning Human Understanding dismantled the doctrine of innate ideas. His Two Treatises of Government laid the philosophical foundation for government by consent and the right of revolution. His Letter Concerning Toleration argued that the state had no business policing belief. Together, these works made Locke the most influential political philosopher of the modern era — the man Thomas Jefferson would draw upon when he wrote that all men are created equal.
“Wherever law ends, tyranny begins.”
1632–1704
Born in Wrington, Somerset, during the English Civil War era. Died peacefully at Oates Manor, Essex, at seventy-two — having lived through civil war, regicide, restoration, revolution, and the birth of the Enlightenment.
18 years
Begun in the winter of 1671 after a discussion with friends at Exeter House, An Essay Concerning Human Understanding was written ‘in fits and starts’ over nearly two decades before publication in 1689.
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The Essay, Two Treatises of Government, A Letter Concerning Toleration, Some Thoughts Concerning Education, and The Reasonableness of Christianity — all published between 1689 and 1695.
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From September 1683 to February 1689, Locke lived in political exile in Holland — expelled from Oxford, accused of treason, yet producing his most important philosophical work.
Empiricist philosophy, natural rights theory, founding modern liberalism
Defining Events
An Essay Concerning Human Understanding
Locke’s philosophical masterwork argued that the mind at birth is a tabula rasa — a blank slate — and that all knowledge derives from experience. Begun after a conversation among friends in 1671 that reached an impasse, the Essay took eighteen years to complete and became the foundational text of British empiricism. It demolished the Cartesian doctrine of innate ideas and proposed that sensation and reflection are the only sources of human knowledge — an argument that reshaped epistemology and influenced every Enlightenment thinker from Voltaire to Hume to Kant.
Two Treatises of Government
Written during the Exclusion Crisis of 1679–1681 — not after the Glorious Revolution as long believed — the Two Treatises demolished Sir Robert Filmer’s divine right theory and laid out the principles of natural rights, government by consent, and the right of revolution. Thomas Jefferson drew directly from the Second Treatise when drafting the Declaration of Independence, borrowing its language of “life, liberty, and property” and its argument that “a long train of abuses” justifies rebellion.
Return from Exile
After six years of political exile in Holland — during which he was expelled from Christ Church Oxford, accused of treason, and forced into hiding — Locke returned to England aboard the ship carrying Princess Mary, wife of William of Orange. Within months he published three works that had been gestating during his exile: the Essay, the Two Treatises, and the Letter Concerning Toleration. The Glorious Revolution vindicated everything he had argued for.
Timeline
Born in Wrington
Born on 29 August in Wrington, Somerset, to Puritan parents. His father was a country lawyer who served as a Parliamentarian cavalry captain in the English Civil War — military service that would later connect young John to the patron who changed his life.
Westminster School
Sent to Westminster School in London at fourteen, under the patronage of Alexander Popham, his father’s former military commander. The school sat in the shadow of Parliament, and Locke arrived just two years before the execution of Charles I — an event that shaped his lifelong preoccupation with the limits of political authority.
Christ Church, Oxford
Admitted to Christ Church, Oxford, where he would spend the next three decades. Dissatisfied with the Aristotelian scholasticism of the curriculum, he gravitated toward natural philosophy and medicine, meeting Robert Boyle and discovering the empirical method that would define his philosophical career.
Meets Lord Shaftesbury
A chance meeting with Anthony Ashley Cooper — later the 1st Earl of Shaftesbury — changed everything. Shaftesbury was so impressed that he invited Locke to join his London household as physician, secretary, and intellectual advisor. It was the beginning of a partnership that would draw Locke into the centre of English political life.
The Essay Begins
A discussion among ‘five or six friends’ at Exeter House reached an impasse, and Locke proposed they first examine the limits of human understanding. That evening’s conversation launched eighteen years of intermittent writing that would produce his philosophical masterwork.
The Exclusion Crisis
Shaftesbury led the campaign to exclude the Catholic Duke of York from the royal succession — the birth of the Whig movement. Locke wrote the Two Treatises of Government in this white-hot political atmosphere. When the crisis collapsed, Shaftesbury fled to Holland and died in exile. Locke was next.
Exile to Holland
After the Rye House Plot was uncovered, Locke fled to Holland in September 1683, beginning six years of political exile. He was expelled from Christ Church by direct royal command, accused of treason, and forced into hiding. Yet these were his most productive years — he completed the Essay, wrote the Letter Concerning Toleration, and read Newton’s Principia.
The Year of Publication
Returned to England aboard Princess Mary’s ship. Within months, published the Essay, the Two Treatises, and the Letter Concerning Toleration — all anonymously. Met Isaac Newton in London and began one of the great intellectual friendships of the age. The Glorious Revolution had vindicated his philosophy; now the world could read it.
Key Figures
Lord Shaftesbury
Anthony Ashley Cooper, 1st Earl of Shaftesbury, was the man who drew Locke out of Oxford and into the world. From 1667, Locke lived in Shaftesbury’s household as physician, secretary, and confidant — even supervising a life-saving liver operation in 1668. Shaftesbury founded the Whig movement and led the campaign against absolute monarchy; Locke provided the philosophical arguments. When Shaftesbury fell, Locke fell with him — exile, accusation, and years of silence. But the ideas they shared together survived them both and reshaped the world.
Isaac Newton
Locke met Newton in London in 1689, shortly after both men’s greatest works were published. They became close friends, bonded by shared interests in theology, natural philosophy, and the new science. Both held heterodox religious views — anti-Trinitarian convictions they confided only to each other. Their friendship survived a crisis in 1693 when Newton, possibly in the grip of a breakdown, accused Locke of trying to ‘embroil me with women.’ They reconciled, and Locke said of Newton: ‘He is a nice man to deal with, and a little too apt to raise in himself suspicions where there is no ground.’
The Legacy of John Locke
John Locke never held elected office, never commanded an army, and published most of his works anonymously. Yet his ideas — that all human beings possess natural rights to life, liberty, and property; that legitimate government rests on the consent of the governed; that the mind begins as a blank slate shaped by experience; that church and state must be separate — became the intellectual architecture of the modern world. Thomas Jefferson borrowed his language for the Declaration of Independence. The framers of the Constitution built on his theory of separated powers. The French revolutionaries cited him. The Universal Declaration of Human Rights echoes him still.
He was a physician who healed a lord and changed a nation. A philosopher who spent eighteen years on a single question and answered it for all time. A fugitive who returned from exile to publish the most dangerous ideas of his century. Read his story in his own words — the first-person ePub brings you inside the mind of the man who invented modern liberty.
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