Skip to main content

Daily Inspiration Quote by Rene Descartes

"An optimist may see a light where there is none, but why must the pessimist always run to blow it out?"

About this Quote

Descartes turns a tidy personality quiz - optimist versus pessimist - into an ethical accusation. The line is built like a trap: first it grants the optimist a flaw (seeing light where there is none), then pivots to a sharper question that makes the pessimist look not merely cautious but actively destructive. That "run" matters. It suggests haste, a compulsion, a kind of moral cardio: the pessimist is not patiently correcting error but sprinting to snuff out possibility. The image of blowing out a light is domestic and intimate, not grandiose; pessimism becomes the petty tyrant of the room, not the wise sentinel on the wall.

The subtext is recognizably Cartesian even if the quote’s exact provenance is debated: doubt is valuable as a method, disastrous as a temperament. Descartes made skepticism productive by disciplining it - doubt everything, but for the sake of rebuilding knowledge on firmer ground. This aphorism draws a line between epistemic humility and performative negation. The optimist may hallucinate a candle; the pessimist, in this framing, is the person who can’t tolerate anyone else groping toward warmth, direction, or hope.

Culturally, it’s also a jab at a certain status economy: cynicism often passes as intelligence because it can puncture almost anything. Descartes flips that prestige. He implies the real philosophical failure isn’t being wrong in the direction of hope; it’s making other people’s hope your problem to extinguish.

Quote Details

TopicOptimism
Source
Later attribution: French Philosophers' Quotes (Farhad Hemmatkhah Kalibar) modern compilationID: DaMLEQAAQBAJ
Text match: 95.00%   Provider: Google Books
Evidence:
... An optimist may see a light where there is none , but why must the pessimist always run to blow it out ? " René Descartes “ For to be possessed of a vigorous mind is not enough ; the prime requisite is rightly to apply it . " René Descartes ...
Cite

Citation Formats

APA Style (7th ed.)
Descartes, Rene. (2026, February 7). An optimist may see a light where there is none, but why must the pessimist always run to blow it out? FixQuotes. https://fixquotes.com/quotes/an-optimist-may-see-a-light-where-there-is-none-1312/

Chicago Style
Descartes, Rene. "An optimist may see a light where there is none, but why must the pessimist always run to blow it out?" FixQuotes. February 7, 2026. https://fixquotes.com/quotes/an-optimist-may-see-a-light-where-there-is-none-1312/.

MLA Style (9th ed.)
"An optimist may see a light where there is none, but why must the pessimist always run to blow it out?" FixQuotes, 7 Feb. 2026, https://fixquotes.com/quotes/an-optimist-may-see-a-light-where-there-is-none-1312/. Accessed 12 Feb. 2026.

More Quotes by Rene Add to List
An optimist may see a light where there is none
Click to enlarge Portrait | Landscape

About the Author

Rene Descartes

Rene Descartes (March 31, 1596 - February 11, 1650) was a Mathematician from France.

28 more quotes available

View Profile

Similar Quotes