Skip to main content

Life & Wisdom Quote by Voltaire

"No problem can withstand the assault of sustained thinking"

About this Quote

Voltaire frames thought as siegecraft: not a polite parlor activity, but a sustained assault that breaks a problem’s defenses. The phrasing is deliberately martial and a little smug, the Enlightenment’s signature move - reason not merely as a tool, but as a moral weapon. “Withstand” implies the problem is an adversary with fortifications; “sustained” suggests most failures are not about intelligence but stamina. It’s less a compliment to genius than a jab at laziness, superstition, and the convenient fog of received wisdom.

The subtext is Voltaire’s lifelong quarrel with institutions that depend on people not thinking too hard: churches guarding doctrine, monarchies guarding privilege, censors guarding social peace. If a difficulty persists, he implies, it’s often because someone benefits from its permanence - or because fear and habit keep inquiry brief. “Assault” also carries a faintly transgressive charge: thinking becomes an act of resistance, a way of violating taboo boundaries without lifting a sword.

Context matters because Voltaire lived in a Europe where ideas could get you exiled, imprisoned, or financially ruined. Sustained thinking wasn’t just solving puzzles; it was daring to keep looking when the state or the pulpit demanded you stop. The line flatters the Enlightenment project while exposing its wager: that reason, relentlessly applied, can dissolve not only technical knots but the social fictions that props them up. It’s a rallying cry disguised as a maxim - impatient with mystique, allergic to resignation, confident that clarity is corrosive.

Quote Details

TopicReason & Logic
Source
Verified source: Reinventing Yourself, 20th Anniversary Edition (Steve Chandler, 2017)
Text match: 95.00%   Provider: Google Books
Evidence:
... Voltaire's declaration that “no problem can withstand the assault of sustained thinking,” I like to ask the participants if they disagree with the quotation. No one ever convincingly disagrees because no one has ever checked out the ...
Other candidates (2)
e being to which no evil can approach the deity hath created millions of worlds
Voltaire (Voltaire) compilation36.7%
exempted from giving their testimony on oath in a court of justice and being be
Cite

Citation Formats

APA Style (7th ed.)
Voltaire. (2026, February 7). No problem can withstand the assault of sustained thinking. FixQuotes. https://fixquotes.com/quotes/no-problem-can-withstand-the-assault-of-sustained-10661/

Chicago Style
Voltaire. "No problem can withstand the assault of sustained thinking." FixQuotes. February 7, 2026. https://fixquotes.com/quotes/no-problem-can-withstand-the-assault-of-sustained-10661/.

MLA Style (9th ed.)
"No problem can withstand the assault of sustained thinking." FixQuotes, 7 Feb. 2026, https://fixquotes.com/quotes/no-problem-can-withstand-the-assault-of-sustained-10661/. Accessed 12 Feb. 2026.

More Quotes by Voltaire Add to List
Voltaire: No Problem Can Withstand Sustained Thinking
Click to enlarge Portrait | Landscape

About the Author

Voltaire

Voltaire (November 21, 1694 - May 30, 1778) was a Writer from France.

131 more quotes available

View Profile

Similar Quotes

Johann Wolfgang Von Goethe, Writer
Johann Wolfgang Von Goethe
Joseph Chamberlain, Politician