Give up the tyranny of female charm.

We are not so mad as to think that we shall create a world in which murder will not occur. We are fighting for a world in which murder will no longer be legal.

Virtue cannot separate itself from reality without becoming a principle of evil.

Judging whether life is or is not worth living amounts to answering the fundamental question of philosophy.

I make myself strict rules in order to correct my nature. But it is my nature that I finally obey.

Truth, like light is dazzling. By contrast, untruth is a beautiful sunset that enhances everything.

In default of inexhaustible happiness, eternal suffering would at least give us a destiny. But we do not even have that consolation, and our worst agonies come to an end one day.