Government is only legitimate when it rests on the explicit, voluntary consent of the governed to protect their inherent natural rights to life, liberty, and property.
Political legitimacy is derived not from divine right or hereditary power, but from a social contract where individuals voluntarily surrender specific freedoms to a government in exchange for the protection of their natural rights.
This book is the foundational blueprint for modern liberal democracy. It solves the fundamental problem of why we should obey laws: if there is no "divine" ruler, what justifies a government's power?
This is for anyone interested in political theory, the ethics of authority, the definition of property, or the limits of state power. After reading this, you will be able to articulate why a government loses its legitimacy when it violates individual rights and how the concept of "consent" serves as the ultimate check on tyranny.
Locke argues against the "Divine Right of Kings"—the idea that monarchs rule by God's will. Instead, he posits that humans are born into a State of Nature, a pre-political condition where every individual possesses perfect freedom and equality. In this state, though there is no formal government, there is still a moral law: no one ought to harm another in their life, liberty, or property.
The problem with the State of Nature is that it lacks an impartial judge to settle disputes. When individuals disagree over property or rights, they become judges in their own cases, leading to chaos and "the state of war." To escape this, people enter into a Social Contract. They do not surrender their rights; they merely delegate the power to enforce the law to a civil authority.
The central thesis is that government is a fiduciary trust. The government is an agent, and the people are the principals. If the agent (the government) acts against the interests of the principal (the people) by seizing property or infringing on liberty, the contract is broken, and the people retain the right—and the duty—to resist and replace that government.
Use this framework to evaluate any governing body (a government, a corporation, or even a household) to see if it holds legitimate authority.
To understand how ownership works in a free society, Locke uses a three-step logic:
Locke describes a state of war not just as a literal battlefield, but as a breakdown of communication and respect for rights. When one person tries to seize another's property by force, they declare a state of war. Lesson: Conflict arises when we stop treating others as ends in themselves and start treating them as obstacles to our desires.
Locke explains that in the State of Nature, every man has the right to punish transgressors. However, this is a problem because people are biased. Lesson: We give up our personal "policing" rights to a neutral third party (the State) to ensure fairness.
Locke argues that a government that acts against the people's interests is no longer a government; it is a "state of war" against the people. Lesson: A government that violates the social contract loses its legitimacy and becomes a hostile entity.
"The state of nature has a law of nature to govern it, reason, which opens all the most important morality." (Paraphrased) Why it matters: It asserts that morality is inherent to human reason, not a social construct.
"The great and chief end, therefore, of men's uniting into political societies, is for their preservation." (Paraphrased) Why it matters: It defines the sole legitimate purpose of government: the protection of the individual.
"The only way to preserve the liberty of the people is to keep the power of the government in a state of constant check." (Paraphrased) Why it matters: It establishes the necessity of checks and balances.
Reflection questions
Flashcards Q: What is the "State of Nature"? A: A pre-political condition where individuals are free and equal, governed by the Law of Nature (reason).
Q: What is the primary purpose of the Social Contract? A: To provide an impartial judge to settle disputes and protect property/rights.
Q: What does it mean for government to be a "fiduciary trust"? A: It means the government is an agent acting on behalf of the people, and its power is held in trust for the people's benefit.
Q: What is the "Law of Nature"? A: The moral law that tells us we ought not to harm another in his life, liberty, or possessions.
Q: What is the "Right of Revolution"? A: The right of the people to overthrow a government that has become tyrannical or breached the social contract.
Q: How does Locke define "Property"? A: As the result of an individual mixing their labor with the resources of the earth.
This summary is grounded in the core arguments of the Second Treatise on Government. I am highly confident in the descriptions of the State of Nature, the Social Contract, and the Right of Revolution. I have omitted the more dense, technical legal arguments regarding specific types of land tenure (which Locke spends a great deal of time on) to focus on the philosophical core. Readers should verify the specific "Labor Theory" nuances if they wish to engage in deep economic theory.
A Letter Concerning TolerationJohn Locke
Essay concerning the true original extent and end of civil governmentJohn Locke
Essays on the law of natureJohn Locke
Locke's travels in France, 1675-1679John Locke
Political writingsJohn Locke
Some thoughts concerning educationJohn Locke
The reasonableness of ChristianityJohn Locke
The Second Treatise on Civil Government (Great Books in Philosophy)John Locke
Two tracts on governmentJohn LockeTwo Treaties of Government (annotated)John Locke
Two treatises on civil governmentJohn Locke