John Locke
Father of Liberalism who reshaped political civilization through natural rights and social contract theory
John Locke (1632-1704) was the most important thinker of the English Enlightenment, widely regarded as the Father of Liberalism. His Two Treatises of Government (1689) argued that humans are born with natural rights to life, liberty, and property; that governmental authority derives from the consent of the governed; and that people have the right to overthrow a government that violates this contract. These ideas directly influenced the American Declaration of Independence (Jefferson drew heavily on Locke) and the French Declaration of the Rights of Man. His Essay Concerning Human Understanding (1689) proposed the doctrine of Tabula Rasa — that the mind at birth is a blank slate and all knowledge derives from sensory experience — founding modern empiricist epistemology. His Letter Concerning Toleration (1689) argued for the separation of church and state and against state coercion of religious belief, a foundational source of modern religious liberty. Locke's ideas spanning politics, philosophy, and education form the intellectual bedrock of modern Western constitutional democracy.
Methodologies
- Social Contract Power Legitimacy Framework - Use social contract theory to argue the legitimacy of any power: authority derives from consent, and breach of contract forfeits legitimacy.
- Natural Rights Baseline Test - Use the three natural rights — life, liberty, and property — as a baseline to evaluate whether any policy or action crosses the line.
Key decisions and timeline
- Born in Wrington, Somerset - Historical context is the soil of ideas; political crises often produce the most profound political philosophy.
- Entered Christ Church, Oxford - The choice of epistemological method determines the direction of thought; rejecting authority in favor of experience is the core spirit of the Scientific Revolution.
- Became Personal Physician and Political Advisor to the Earl of Shaftesbury - The most powerful political philosophy is often born in real political struggle rather than purely academic reflection.
Beliefs and mental models
- All People Are Born with Inalienable Natural Rights - Before entering political society, humans exist in a state of nature and naturally possess three rights: life, liberty, and property. These rights are not granted by government and therefore cannot be taken away by government. Any legitimate governmental power must have the protection of these three rights as its purpose.
- Governmental Authority Derives from the Consent of the Governed - People surrender some natural rights to government through social contract in exchange for better protection of remaining rights. This surrender must be based on voluntary consent. When government violates the contract and infringes on people's rights, the people have the right to overthrow it and establish a new government. This idea directly generated modern democratic revolution theory.
- The Mind Is a Blank Slate; Knowledge Derives from Experience - At birth, the human mind is a blank slate (Tabula Rasa) with no innate ideas. All knowledge derives from sensory experience and introspective reflection. This position opposed Descartes's innate ideas theory, founded the empiricist tradition, and had profound influence on modern educational philosophy: environment shapes people, and education is paramount.
- State of Nature Hypothesis - Imagine the primordial state without government to deduce the legitimate justification and limits of governmental power.
- Labor Theory of Property - When you mix your labor with natural resources, you create a property right over them — property rights derive from labor, not royal grant.
- Separation and Balance of Powers - Divide governmental power into legislative and executive branches to prevent any single institution from accumulating despotic power.
Sources
- Two Treatises of Government by John Locke, 1689 (ed. Peter Laslett, Cambridge University Press, 1960)
- An Essay Concerning Human Understanding by John Locke, 1689 (ed. Peter Nidditch, Oxford University Press, 1975)
- John Locke: A Biography by Maurice Cranston, Longmans, 1957
- Locke by John Dunn, Oxford University Press, 1984