Plato was a bore.

We should never let ourselves be burnt for our opinions; we are not that sure of them. But perhaps for this -- that we may have and change our opinions.

Is life not a thousand times too short for us to bore ourselves?

It was modesty which in Greece invented the word "philosopher" and left the splendid arrogance of calling oneself wise to the actors of the spirit --the modesty of such monsters of pride and self-glorification as Pythagoras, as Plato.

Joyous distrust is a sign of health. Everything absolute belongs to pathology.

Man is more ape than many of the apes