A refined nature is vexed by knowing that some one owes it thanks, a coarse nature by knowing that it owes thanks to some one.

The complete irresponsibility of man for his actions and his nature is the bitterest drop which he who understands must swallow.

The charm of the Platonic mode of thought ... consisted precisely in the resistance to the obvious evidence of the senses.

Is man merely a mistake of God's? Or God merely a mistake of man?

Woman is essentially unpeaceful, like the cat, however well she may have trained herself to present an appearance of peace.

I love something: and scarcely do I love it completely when the tyrant in me says: "I want that in sacrifice." This cruelty is in my entrails. Behold! I am evil.

What do you believe in?--In this, that the weights of all things must be determined anew.