Too often, when I hear or read political pundits, both conservative and liberal, refer to the United States as a “democracy,” I want to scream, “We are a constitutional republic, not a democracy!” and a few choice other words directed at the speaker or writer. And when I read so-called historians write about the influence of Athens upon our political institutions without even a nod to Sparta, I begin to question that person’s qualifications.
So when Benjamin Franklin warned that the Constitutional Convention had produced “a republic — if you can keep it,” he was not indulging in wit. He was naming the central problem of republican government: Its survival depends not only on laws and institutions but on the character, imagination and moral habits of the people who inhabit them.
“A republic is sustained by the moral imagination of its citizens, or it is not sustained at all.”
The Founders understood this because they had spent their lives studying the ancient world. Greece and Rome were not curiosities to them; they were political laboratories. The rise and fall of ancient republics shaped their sense of what was possible — and what was perilous — in the American experiment.
To understand what it means to “keep” a constitutional republic, we must return to the sources that formed the Founders’ political imagination and examine how John Adams, Alexander Hamilton and Thomas Jefferson interpreted those sources differently. Their disagreements were not merely political; they were moral and anthropological. They reveal the deeper truth Franklin was pointing toward: A republic is sustained by the moral imagination of its citizens, or it is not sustained at all.
“The Consumation of Empire,” Thomas Cole, 1836 (Wikipedia Common Domain)
The ancient world and the architecture of American self-government
Athens offered the Founders a vision of political life rooted in public reason, civic equality and the dignity of participation. They admired the Athenian belief that ordinary citizens could deliberate about the common good and that public life required education, rhetoric and shared responsibility.
Athens gave them a vocabulary — citizenship, democracy and civic debate — that shaped the American political imagination.
But Athens also served as a warning. Its volatility, factionalism and susceptibility to demagogues reminded the Founders that democracy without structure can devour itself. They loved Athenian ideals but feared Athenian instability.
Sparta offered a different lesson: The necessity of civic discipline and the dangers of moral decay. Adams, in particular, saw in Sparta a stark reminder that republics collapse when citizens become soft, self-indulgent or unmoored from shared obligations. Sparta embodied the idea that a republic requires citizens capable of sacrifice.
“Rome was the most influential ancient model.”
Yet the Founders rejected Spartan authoritarianism, militarism and suppression of liberty. Sparta shaped their sense of the fragility of republics, not their institutional design. It taught them that virtue enforced by fear becomes tyranny — and that a republic must cultivate virtue without coercion.
Rome was the most influential ancient model. The Founders admired its mixed constitution, its checks and balances, its civic virtues and its commitment to the rule of law. Rome showed how a republic could endure through structure, restraint and a culture that honored both liberty and duty.
Rome also showed how republics die: Corruption, concentration of power and the erosion of civic virtue. The Founders’ constitutional imagination — separation of powers, bicameralism and federalism — was shaped far more by Rome and Montesquieu than by any Greek city-state.
The ancient world gave the Founders both inspiration and warning. It taught them a republic is always at risk — not because its enemies are strong, but because its citizens are human.
Adams, Hamilton and Jefferson: Three moral visions of the republic
John Adams
John Adams was the most classically learned and the most morally serious of the Founders. He read ancient history as a catalogue of republican rise and fall. From Sparta, he drew lessons about discipline and the dangers of luxury; from Athens, he drew warnings about instability; from Rome, he drew the need for mixed government and the rule of law.
Adams believed a republic is a moral project before it is a political one. Institutions matter, but they cannot save a people who have lost the virtues necessary for self-government. He feared Americans, like the Athenians and Romans before them, would succumb to vanity, faction and the pursuit of pleasure over duty.
For Adams, Franklin’s warning was not hypothetical. It was the central question of political life: Can a free people remain virtuous enough to remain free?
Alexander Hamilton
Alexander Hamilton admired the ancient world less for its ideals than for its lessons in statecraft. He saw in Sparta a metaphor for discipline and unity, but he rejected its static, anticommercial society. He admired Rome’s institutional strength and capacity for action, but he feared its descent into faction and civil war.
Hamilton believed liberty requires energy in the executive, a capable central government and institutions strong enough to channel human ambition. He saw the American republic as fragile, not because the people were wicked but because human nature is mixed — capable of greatness and corruption, generosity and self-interest.
Where Adams emphasized virtue, Hamilton emphasized structure. Where Adams feared moral decay, Hamilton feared disunion. Both believed a republic could be lost; they simply disagreed on the mechanism.
ThomasJefferson
Thomas Jefferson’s imagination was shaped by Athens and the Roman agrarian ideal. He believed a republic must be rooted in the freedom and equality of its citizens and that civic virtue arises from liberty, not coercion. Sparta, to him, was the antimodel: a society that sacrificed human flourishing for order.
Jefferson feared concentrated power more than instability. He believed the people, if educated and empowered, could govern themselves wisely. His reading of antiquity emphasized the dignity of the citizen, the beauty of public life and the possibility of a republic grounded in natural rights.
Where Adams saw fragility and Hamilton saw danger, Jefferson saw promise.
The moral imagination and the keeping of a republic
Franklin’s warning is ultimately about the moral imagination — the capacity to see beyond self-interest, to imagine oneself as part of a larger story and to act with fidelity to a common good that outlives any individual.
The ancient world taught the Founders that republics endure only when citizens cultivate:
- Memory — the ability to learn from the past
- Responsibility — the willingness to bear burdens for others
- Restraint — the discipline to limit one’s own power
- Solidarity — the recognition that freedom is shared or it is lost
- Hope — the belief that a free people can govern themselves
A constitutional republic is not self-executing. It requires citizens who can imagine themselves as stewards of a fragile inheritance. It requires leaders who understand that power is a trust, not a possession. It requires communities that form people capable of self-government — families, schools, congregations and civic associations.
The Founders built a system strong enough to restrain ambition and flexible enough to adapt to change. But they knew that no structure, however ingenious, can compensate for a failure of character. The Constitution is a framework; the republic is a people.
“To ‘keep’ a republic is to cultivate the virtues that sustain it.”
To “keep” a republic is to cultivate the virtues that sustain it: humility, courage, honesty, patience and a commitment to the common good. It is to resist the temptations that destroyed Athens and Rome: faction, corruption, cynicism and the pursuit of power without responsibility.
The republic and its keepers
The American Founders did not idealize the ancient world; they interrogated it. They saw in Greece and Rome both inspiration and warning. They understood a republic is always one generation away from collapse — not because its enemies are strong, but because its citizens are human.
Adams reminds us that virtue is indispensable. Hamilton reminds us that structure is necessary. Jefferson reminds us that liberty is the point. Franklin reminds us that the republic is ours to keep — or to lose.
A constitutional republic endures only when its people possess the moral imagination to see themselves as custodians of a shared inheritance. The question Franklin posed in 1787 is the question every generation must answer anew: Are we the kind of people who can keep a republic?
Joe D. Marlow is a theologian, historian, educator and writer retired in South Lyon, Mich. This essay will be part of his fifth book, Mapping the Terrain of America: Essays in Moral Imagination, to be published later this year.