“Passion often renders the most clever man a fool, and even sometimes renders the most foolish man clever.”

— François de La Rochefoucauld, Reflections; or Sentences and Moral Maxims, Maxim 6, 1665–1678

About François de La Rochefoucauld

1613 – 1680

French moralist, author of the "Maxims" (1665).

“Perfect courage is to do without witnesses what one would be capable of doing with the world looking on.”

“Our virtues are most frequently but vices in disguise.”

“Self-love is the greatest of all flatterers.”

“He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.”

Attribution note: Source disputed or unverified.

“Knowing yourself is the beginning of all wisdom.”

Attribution note: Source disputed or unverified.

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“He who knows others is wise; he who knows himself is enlightened.”

Attribution note: Source disputed or unverified.

“The man who asks a question is a fool for a minute, the man who does not ask is a fool for life.”

“The truth is rarely pure and never simple.”