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What the Founders Meant By Happiness
Module 5

Industry: Thomas Jefferson's Reading List

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This module explores industry as the disciplined practice of self-government that the Founders believed made happiness and a constitutional democracy possible. Using Thomas Jefferson as a central figure, the module traces how classical philosophy shaped early American ideas about happiness, reason, and moral self-control. At the same time, it confronts the profound contradiction between Jefferson’s ideals of self-mastery and his dependence on enslaved labor. Through Jefferson’s habits, influences, and failures, we examine both the promise and the limits of industry as a guide to the good life.

Exploring the Concepts of Industry and Virtue

Grounded in History

This video examines industry as the disciplined practice of self-government through the life and thought of Thomas Jefferson. It explores how classical philosophy shaped Jefferson’s understanding of happiness while confronting the moral contradictions that defined his pursuit of inner order.

Industry and the Problem of Jefferson

Read through each section carefully and consider Jefferson as both a model and a warning. This activity asks you to examine how ideals of self-discipline can coexist with profound moral failure, and why holding those tensions matters for understanding history.


Industry as Character Formation
Jefferson’s Ideals of Self-Improvement
The Contradiction of Enslaved Labor

Classical Philosophy and the Psychology of Happiness

Study these concepts and how they relate to one another. This framework explains how the Founders understood the human mind and why self-government begins with managing reason, passion, and desire.

Reason (Logos)

Reason is the faculty that allows us to judge, reflect, and pause before acting.
For classical thinkers and the Founders, liberty depends on the ability to use reason to govern emotion rather than be ruled by it.

Desire (Appetite)

Desire is the source of uneasiness in the mind; a longing for some absent good.
Unchecked desire can lead us to pursue short-term gratification at the expense of long-term happiness.

Temperance

Temperance is the state of harmony produced when reason successfully moderates passion and desire. In classical moral philosophy, this balance is what makes inner tranquility and happiness possible.

Cicero, Locke, and the Pursuit of Happiness

Follow the sequence to see how ideas about happiness develop across thinkers. This progression shows why the “pursuit of happiness” is rooted in moral psychology.

  • Cicero:

Happiness as Inner Tranquility

Thomas Jefferson’s understanding of happiness begins with Cicero. In Tusculan Disputations, Cicero defined happiness not as pleasure or success, but as a state of inner tranquility achieved through restraint, consistency, and moderation. Happiness, in this view, depends on calming the mind rather than controlling the world.

Cicero argued that while we cannot control external events, we can control our thoughts and judgments about them. By governing our responses to fear, grief, ambition, and desire, we free ourselves from mental disturbance and achieve peace of mind.

  • Locke:

Desire, Uneasiness, and Liberty

John Locke builds on Cicero by offering a psychological explanation of human behavior. He defines desire as an uneasiness of the mind caused by the absence of some perceived good. Because desire creates discomfort, it often drives us toward immediate relief rather than long-term well-being.

Locke argues that true liberty does not mean acting on every desire. Instead, liberty is the power to pause, reflect, and decide whether acting on a desire will serve our long-term happiness. Virtue, therefore, lies in resisting short-term gratification in favor of lasting good.

  • The Pursuit of Happiness

Reconsidered

When Jefferson wrote about the “pursuit of happiness,” he was drawing on this tradition of moral psychology. Happiness was not a guarantee or a possession, but an ongoing practice of self-government using reason to manage desire and emotion.

Seen this way, the pursuit of happiness is unalienable because it depends on the freedom of the mind. No external authority can compel inner judgment or replace the work of self-regulation on which happiness depends.

Unalienable Rights and Freedom of the Mind

Explore how the Founders distinguished between different kinds of rights. This activity helps you see why freedom of thought and the pursuit of happiness were considered unalienable, while other rights could be transferred to government for public purposes.


Alienable versus Unalienable Rights
Freedom of Conscience and Thought
The Pursuit of Happiness as an Unalienable Right

Why This Distinction Matters

This framework explains why the Founders believed liberty begins with self-government. Political freedom depends on protecting the inner freedom of the mind while allowing government to regulate outward behavior that affects others.

The challenge, then and now, is to design laws that protect conscience and thought without abandoning responsibility for public order.

Cultivating Virtue: Private Industry or Public Authority?

Thomas Jefferson and John Adams shared a basic conviction that happiness arises from virtuous activity. They believed a self-governing constitutional democracy depends on citizens capable of governing themselves, moderating passion, exercising judgment, and acting with restraint.

They differed, however, in how virtue is cultivated and in the degree to which government should play a role in supporting it.

The Constitutional Compromise

The American constitutional system ultimately reflected both views. It assumed that personal self-government is necessary for political self-government, while also acknowledging the need for institutional checks on human behavior. The Founders also set up a political system that was designed to slow down politics, spur deliberation and compromise, and promote policies that served the common good.

Check Your Understanding

The following activities will help you reinforce and assess your understanding of Jefferson’s industrious habits and the thinkers who influenced him. Take a moment to reflect on what you’ve learned before moving forward.


According to the module, how did Thomas Jefferson understand the relationship between industry, happiness, and freedom of the mind?

Concluding Module 5

What We Learned

In this module, we examined Thomas Jefferson’s understanding of industry as a lifelong practice of self-government shaped by disciplined habits and moral reflection. Drawing on classical philosophy and Enlightenment thought, Jefferson linked happiness to the moderation of passion through reason. At the same time, his life reveals the limits of virtue in practice, as his pursuit of order and tranquility rested on systems of inequality he did not overcome. The Founders shared a belief that happiness required virtuous activity, even as they disagreed about how virtue is cultivated and the role government should play in supporting it.

Key Takeaways

  1. For the Founders, happiness meant inner tranquility achieved through restraint, consistency, and self-government.
  2. Industry was understood as a daily moral practice, not simply hard work or economic productivity.
  3. Classical philosophy provided a psychological framework in which reason moderates passion and desire.
  4. The pursuit of happiness was considered unalienable, unlike property, because freedom of thought cannot be surrendered.
  5. Jefferson’s life highlights the tensions that can arise between ideals of self-government and lived practice.

Food For Thought

  1. How does Jefferson’s reliance on enslaved labor complicate his advice about industry and moral discipline?
  2. Can disciplined habits and lifelong learning lead to virtue if they are not accompanied by honest self-examination?
  3. To what extent do Jefferson’s and Adams’s differing views on the formation of virtue suggest that character is shaped more by habits formed in private life or by the influence of public institutions, and how do their arguments help illuminate the strengths and limits of each approach?

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