Nothing leads the scientist so astray as a premature truth.

Science had better not free the minds of men too much, before it has tamed their instincts.

Greatness, in order to gain recognition, must all too often consent to ape greatness.

Stupidity, outrage, vanity, cruelty, iniquity, bad faith, falsehood - we fail to see the whole array when it is facing in the same direction as we.

I think I am one of those who can manage not to take on a completely different appearance under their own glance.

Beauty in art is often nothing but ugliness subdued.

I still understand a few words in life, but I no longer think they make a sentence.