Civilization is the progress toward a society of privacy. The savage's whole existence is public, ruled by the laws of his tribe. Civilization is the process of setting man free from men.

You will follow me, if we are what we are, you and I, if we live, if the world exists, if you know the meaning of this moment and can't let it slip by, as others let it slip, into the senselessness of the unwilled and unreached.

My dear fellow, who will let you?" "That's not the point. The point is, who will stop me?

I need no warrant for being, and no word of sanction upon my being. I am the warrant and the sanction.

The purpose of morality is to teach you, not to suffer and die, but to enjoy yourself and live.

When a man attempts to deal with me by force, I answer him, by force.

I am an intransigent atheist, though not a militant one. This means that I am not fighting against religion - I am fighting for reason.