The lad who dreams of being a boxing champion or an admiral chooses reality. If the writer chooses the imaginary, he confuses the two.

In a word, man must create his own essence: it is in throwing himself into the world, suffering there, struggling there, that he gradually defines himself.

Existence is prior to essence.

Politics is a science. You can demonstrate that you are right and that others are wrong.

So long as one believes in God, one has the right to do the Good in order to be moral.

A kiss without a moustache, they said then, is like an egg without salt; I will add to it: and it is like Good without Evil.

Words are more treacherous and powerful than we think.