The modern mind is in complete disarray. Knowledge has stretched itself to the point where neither the world nor our intelligence can find any foot-hold. It is a fact that we are suffering from nihilism.

Whereas the Greeks gave to will the boundaries of reason, we have come to put the will's impulse in the very center of reason, which has, as a result, become deadly.

The aim of art, the aim of a life can only be to increase the sum of freedom and responsibility to be found in every man and in the world. It cannot, under any circumstances, be to reduce or suppress that freedom, even temporarily.

Mistakes are joyful, truth infernal.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

To insure the adoration of a theorem for any length of time, faith is not enough, a police force is needed as well.

Every great work makes the human face more admirable and richer, and this is its whole secret.