Skip to main content

Love Quote by Blaise Pascal

"The heart has its reasons of which reason knows nothing"

About this Quote

Pascal drops this line like a blade aimed at the smug confidence of pure rationalism. In a century drunk on geometry, proofs, and the new authority of science, he insists on a rival jurisdiction: the heart. Not romance in the Hallmark sense, but an inner faculty that grasps truths reason can’t neatly derive - faith, intuition, loyalty, dread, love, the quiet certainty that precedes argument. The sentence works because it sounds like a concession to emotion while actually asserting a hard limit on the intellect.

The subtext is a challenge to the era’s rising Cartesian dream that clear reasoning can deliver certainty about everything worth knowing. Pascal, a brilliant mathematician who helped build that very dream, is an especially dangerous messenger: he’s not anti-reason; he’s exposing reason’s blind spots from the inside. The phrasing turns “reason” into a character with boundaries, almost a bureaucrat who can’t process certain documents. The heart, by contrast, “has its reasons” - it isn’t irrational, just operating with evidence that doesn’t translate into syllogisms.

Context sharpens the stakes. Pascal wrote amid religious conflict and philosophical upheaval; his Pensees are haunted by human fragility and the ache of metaphysical uncertainty. The line is also tactical: it legitimizes faith without pretending it’s provable like a theorem. You can’t bully belief into existence with logic; you also can’t dismiss belief as mere stupidity. Pascal’s brilliance is making that tension feel less like a cop-out and more like an honest map of the mind.

Quote Details

TopicReason & Logic
Source
Verified source: Pensées (Thoughts) (Blaise Pascal, 1670)
Text match: 95.00%   Provider: Cross-Reference
Evidence:
The heart has its reasons, which reason does not know. (Fragment 277 (Brunschvicg numbering); also Lafuma 423 / Sellier 680). Primary source is Pascal’s posthumously published Pensées. Pascal died in 1662; the first formally published edition appeared in Paris in 1670 under the title “Pensées de M. Pascal sur la religion et sur quelques autres sujets.” The line appears in the Pensées as fragment 277 in the widely used Brunschvicg numbering (and corresponds to Lafuma 423 / Sellier 680 in other scholarly arrangements). The commonly circulated English version “The heart has its reasons of which reason knows nothing” is a looser translation/variant; the primary-text idea is clearly attested in French as “Le cœur a ses raisons que la raison ne connaît point.” The Gutenberg link is a public-domain edition/translation that lets you verify the wording and fragment number directly in a single primary-text witness. For bibliographic confirmation of the 1670 first edition (publisher/location), see Christie’s lot description for the 1670 Paris: Guillaume Desprez edition.
Other candidates (1)
Religion and the Enlightenment (James M. Byrne, 1997) compilation95.0%
... the heart has its reasons of which reason knows nothing ' ( Pensees 423 ) . The term ' heart ' as used by Pascal ...
Cite

Citation Formats

APA Style (7th ed.)
Pascal, Blaise. (2026, February 26). The heart has its reasons of which reason knows nothing. FixQuotes. https://fixquotes.com/quotes/the-heart-has-its-reasons-of-which-reason-knows-5083/

Chicago Style
Pascal, Blaise. "The heart has its reasons of which reason knows nothing." FixQuotes. February 26, 2026. https://fixquotes.com/quotes/the-heart-has-its-reasons-of-which-reason-knows-5083/.

MLA Style (9th ed.)
"The heart has its reasons of which reason knows nothing." FixQuotes, 26 Feb. 2026, https://fixquotes.com/quotes/the-heart-has-its-reasons-of-which-reason-knows-5083/. Accessed 27 Mar. 2026.

More Quotes by Blaise Add to List
Pascal: The Heart and the Limits of Reason
Click to enlarge Portrait | Landscape

About the Author

Blaise Pascal

Blaise Pascal (June 19, 1623 - August 19, 1662) was a Philosopher from France.

93 more quotes available

View Profile

Similar Quotes

Friedrich Schiller, Dramatist
Friedrich Schiller
Francois de La Rochefoucauld, Writer
Francois de La Rochefoucauld
Søren Kierkegaard, Philosopher
Søren Kierkegaard

We use cookies and local storage to personalize content, analyze traffic, and provide social media features. We also share information about your use of our site with our social media and analytics partners. By continuing to use our site, you consent to our Privacy Policy.