Vol. 06 · Misquoted ·Book ·52 of 348
"Cogito, ergo sum."
They never said that.
What people say
"Cogito, ergo sum."
What was actually said
"Je pense, donc je suis. (Latin "Cogito, ergo sum" is the later recasting.)" René Descartes — Discourse on the Method (1637) by René Descartes
Why it stuck
Descartes wrote it first in French. The Latin tag philosophy books quote is from his later Meditations.
Know another line by heart?
Play the duel and see how many you can spot. Or browse the whole shelf.