"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.
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
| Topic | Reason & Logic |
|---|---|
| Source | Blaise Pascal, Pensées (c.1669-1670), fragment often numbered 277: "Le coeur a ses raisons que la raison ne connait point." |
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