The existentialist says at once that man is anguish.

I do not understand! I understand nothing! I cannot understand nor do I want to understand! I want to believe! To Believe!

I am a man, Jupiter, and each man must invent his own path.

If you begin by saying, 'Thou shalt not lie,' there is no longer any possibility of political action.

Ideas come in pairs and they contradict one another; their opposition is the principal engine of reflection.

Man is nothing else but what he makes of himself. [It is a matter of choice, not chance.] Such is the first principle of existentialism.

To eat is to appropriate by destruction.