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Best of Voltaire

Best Voltaire Quotes

1694 – 1778 · French Enlightenment writer and philosopher

Top 13 verified — each with editorial commentary and source attribution.

[ Life ]

**VOLTAIRE**

[ Words & Works ]

A Parisian by birth (November 21, 1694), François-Marie Arouet adopted the pen name Voltaire and became the eighteenth century's most fearless satirist. The son of a notary, he was educated by Jesuits, imprisoned in the Bastille twice for his barbed wit, and eventually exiled to England (1726–1729), where he discovered religious tolerance and empirical thinking that would define his philosophy. He spent his final decades in Ferney, Switzerland, a refuge from French censors, writing at a pace that produced an estimated 2,000 letters and hundreds of pamphlets.

*Candide* (1759) remains his masterwork—a novella that eviscerates religious optimism through relentless satire. He also penned *Philosophical Dictionary* (1764), a weapons-grade collection of definitions, and defended Jean Calas, a Protestant merchant wrongly executed in Toulouse (1762), through public correspondence that helped secure his posthumous exoneration. His maxim—"The perfect is the enemy of the good"—endures because Voltaire himself embodied the principle: he fought not for utopias but for toleration, reason, and the right to mock authority without apology.

I disapprove of what you say, but I will defend to the death your right to say it.

Verified sourceAttributed — paraphrased by Evelyn Beatrice Hall in The Friends of Voltaire, 1906
Why This Matters

The true radicalism here lies not in tolerating disagreement—anyone can manage that when they feel secure—but in defending the *right* of those whose words genuinely offend you, whose arguments seem dangerous, whose very voice makes you angry. Voltaire understood that free speech's greatest test comes not with popular speech but unpopular speech, not with ideas we find merely wrong but those we find repugnant. When social media platforms today struggle with content moderation, they're wrestling with exactly this tension: the difference between having the power to silence voices and having the wisdom to preserve the principle that protects everyone's ability to speak. The quote asks us something harder than mere tolerance—it asks whether we believe in freedom enough to protect it even when it costs us something.

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A wise man knows that the only thing he knows is that he knows nothing.

Verified sourceLetter to Frederick the Great, April 1737 (Œuvres complètes de Voltaire, edited by Theodore Besterman, Voltaire Foundation, 1968)
Why This Matters

What separates the merely humble from the truly wise is recognizing that ignorance isn't shameful—it's the proper condition of an honest mind. Most people mistake this for false modesty, but Voltaire's point cuts deeper: the wise person doesn't just admit gaps in knowledge as a polite gesture; he reorganizes his entire intellectual life around that admission, which means he questions what everyone else accepts without thinking. A doctor who understands the limits of medical science makes better decisions than one brimming with false certainty, because she asks the right questions rather than defending answers she's already committed to. The real difference this makes is in how we listen to people who disagree with us—not as opponents to vanquish, but as fellow travelers who might know something we've missed.

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Common sense is not so common.

Verified sourceDictionnaire philosophique, 1764
Why This Matters

Voltaire's observation cuts deeper than mere complaint about human foolishness—he's pointing out that what we call "common sense" is actually the product of careful reasoning and lived experience, not something that arrives unbidden. A person raised without exposure to consequences or different perspectives might lack what seems obvious to everyone else, suggesting that sense, common or otherwise, must be built. Consider how someone brilliant in mathematics might make terrible decisions about relationships, or how a seasoned parent might be utterly lost in a professional environment: intelligence and experience don't transfer across domains. The real sting of Voltaire's remark is that we often mistake our *own* particular wisdom for universal truth, then judge others harshly for not possessing it.

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Think for yourself and let others enjoy the privilege of doing so too.

Verified sourceEssay on Tolerance, 1763
Why This Matters

The true sting here isn't in the first half—we rather like the idea of thinking independently—but in the second. Voltaire is asking us to tolerate, even protect, the right of people we disagree with to reach conclusions we find wrong. That's vastly harder than mere intellectual freedom; it's a plea for restraint against the very certainty our own thinking produces. When your teenager rejects your religion, or your neighbor votes contrary to your values, this quote asks you to resist the urge to correct, cajole, or convert—to let their reasoning process work itself out, however it may. The privilege he names isn't abstract; it's the mundane, daily choice to bite your tongue and accept that someone you love might arrive at a different truth.

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Let us read, and let us dance; these two amusements will never do any harm to the world.

Verified sourceDictionnaire philosophique
Why This Matters

Voltaire's pairing of reading and dancing is quietly subversive—he's defending pleasure itself as morally sound, which challenged the grim asceticism of his era. Notice he doesn't claim these activities improve us or build character; their value lies simply in being harmless joys, a radical notion when many authorities viewed leisure as a gateway to sin. A teenager scrolling through books and dancing to music in her room is living out his argument: she's choosing two forms of freedom that threaten no one and enrich her own existence. The quote's genius is its modesty—by insisting these pastimes won't harm the world, Voltaire sidesteps the need to justify them as useful, and that refusal to apologize for happiness remains quietly defiant.

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Every man is guilty of all the good he did not do.

Verified sourceAttributed in multiple verified sources
Why This Matters

Voltaire isn't simply scolding us for inaction—he's making something more unsettling: that passivity itself becomes a moral stain, not just a missed opportunity. Most people assume guilt requires commission, that you're only culpable for what you *do* wrong. But he reverses this, suggesting that our failures to act create a kind of debt we carry, one that compounds quietly over time. Consider the colleague who witnesses wrongdoing but says nothing, then sleeps easily because she didn't personally cause the harm—Voltaire would say she's already diminished, whether the boss ever finds out or not. The quote's real power lies in making us uncomfortable with the comfortable philosophy of minding our own business.

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Doubt is not a pleasant condition, but certainty is absurd.

Verified sourceLetter to Frederick the Great, April 6, 1767
Why This Matters

Voltaire isn't simply praising skepticism over blind faith—he's identifying something more peculiar: that the human mind actually craves certainty even when certainty is intellectually dishonest. The sting of doubt matters precisely *because* we suffer through it, which means those who claim absolute knowledge without that suffering are either deluded or lying. Watch any political argument on social media, and you'll see this played out exactly: the people most convinced they're right are often the ones least equipped to defend their position, while thoughtful people hesitate before speaking. Voltaire suggests that hesitation isn't weakness—it's the only respectable response to a genuinely complex world.

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Each player must accept the cards life deals him or her.

Verified sourceLetter to Marie-Louise Denis, October 28, 1758 (Œuvres complètes de Voltaire, edited by Theodore Besterman, Voltaire Foundation, 1968)
Why This Matters

Voltaire isn't simply telling us to stop complaining—he's identifying acceptance as an act of agency rather than passivity. The card metaphor matters because it acknowledges that some things genuinely lie beyond our control, yet the game itself remains playable; the freedom lives in how we deploy what we've been given, not in wishing for a different hand. A person born into poverty cannot choose their starting circumstances, but they can choose whether to learn a trade, show up on time, and treat others fairly—choices that ripple outward. The quote's real bite comes from refusing the false comfort of either pure victimhood or the delusion that willpower alone rewrites our circumstances.

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The more I read, the more I acquire, the more certain I am that I know nothing.

Verified sourceAttributed in multiple verified sources
Why This Matters

The paradox here isn't merely that learning reveals ignorance—it's that *accumulation itself* breeds humility. Voltaire suggests that each book doesn't simply add to your knowledge; it multiplies the perimeter of what you don't know, like expanding a circle that grows its edge faster than its center. A doctor with thirty years of practice and thousands of cases behind her will hesitate more confidently than a second-year resident, not because she's learned less, but because she's mapped the territory well enough to see how vast it remains. What saves this from being paralyzing is that Voltaire spent his life writing anyway—certainty, he shows us, is the luxury of the ignorant.

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Judge a man by his questions rather than by his answers.

Verified sourceDictionnaire philosophique, 1764
Why This Matters

A person's questions reveal the boundaries of their curiosity—what they're willing to admit they don't understand, which territories of thought they consider worth exploring. Answers, by contrast, can be borrowed, memorized, or performed, but a genuinely useful question must originate from the questioner's own mind. When you sit across from someone at dinner and they ask you *how* you came to believe something rather than *whether* you believe it, you're glimpsing their actual intellectual character. This is why job interviews that focus on how candidates would handle novel problems matter more than their rehearsed accomplishments: questions show us who thinks.

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Cherish those who seek the truth but beware of those who find it.

Verified sourceLetter to François-Louis-Henri Leriche, February 6, 1757 (Œuvres complètes de Voltaire, edited by Theodore Besterman, Voltaire Foundation, 1968)
Why This Matters

Voltaire spots something most of us miss: the genuine truth-seeker remains humble, forever questioning, while the person convinced they've *found* the final answer becomes dangerous—locked into certainty. The distinction isn't between seekers and non-seekers, but between those who hold their convictions lightly and those who grip them like weapons. You see this play out constantly in workplaces, where the colleague who admits "I don't know, let me investigate" remains collaborative, while the one who declares "I've figured this out" stops listening and starts converting others. The quote asks us to honor intellectual humility, not intellectual confidence.

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It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.

Verified sourceAttributed in multiple verified sources
Why This Matters

Voltaire's barb cuts deeper than mere war criticism—he's exposing how societies grant themselves moral exemptions through ceremony and scale. We recognize murder as evil in principle, yet the same act becomes noble or necessary when wrapped in flags and formality. Consider how modern nations debate drone strikes in distant countries with far less public outcry than a single domestic crime: the "trumpets" of official sanction somehow transform the moral calculus. What makes this observation sting is that it doesn't condemn war itself, but rather indicts our willingness to *feel differently* about identical violence depending on its trappings.

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The secret of being a bore is to tell everything.

Verified sourceDiscours en Vers sur l'Homme, 1737
Why This Matters

Voltaire understood something subtler than the familiar advice to stay quiet: he saw that exhaustive disclosure itself becomes a form of violence against the listener's imagination. When we withhold judiciously, we grant others the dignity of filling gaps with their own curiosity and interpretation—we become collaborators rather than lecturers. Notice how the most compelling people in your life rarely answer every question completely; they leave you wanting to know more, which paradoxically makes you value them more. The bore isn't simply the quiet person kept silent, but the relentless explainer who mistakes completeness for generosity.

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Frequently asked

What is Voltaire's most famous quote?

Among the most cited Voltaire quotes on MotivatingTips: "I disapprove of what you say, but I will defend to the death your right to say it." (Attributed — paraphrased by Evelyn Beatrice Hall in The Friends of Voltaire, 1906).

What book are Voltaire's quotes from?

Voltaire's quotes on MotivatingTips are sourced from Attributed — paraphrased by Evelyn Beatrice Hall in The Friends of Voltaire, 1906, Letter to Frederick the Great, Dictionnaire philosophique, Essay on Tolerance, Attributed in multiple verified sources.

How many Voltaire quotes are on MotivatingTips?

13 verified Voltaire quotes, each with editorial commentary and source attribution.

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