"All of humanity's problems stem from man's inability to sit quietly in a room alone."

"The world is full of things that are true, but not reasonable."

"Man is full of desires: he loves all that he can obtain, but he does not know how to obtain it."

"Cleopatra's nose: had it been shorter, the whole face of the world would have been changed."

"The only good philosophy is that which makes fun of philosophy."