The past is the luxury of proprietors.

What is meant here by saying that existence precedes essence? It means first of all, man exists, turns up, appears on the scene, and, only afterwards, defines himself. If man, as the existentialist conceives him, is indefinable, it is because at first he is nothing. Only afterward will he be something, and he himself will have made what he will be.

We make our own hell out of the people around us.

Commitment is an act, not a word.

My pessimism has never been flabby.

This is the basis for the joy of love when there is joy; we feel that our existence is justified.

Uncalled-for aggression arouses the hatred of the civilian population.