What never vary are the necessities of being in the world, of having to labor and to die there.

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

God is the solitude of men. There was only me: I alone decided to commit Evil; alone, I invented Good. I am the one who cheated, I am the one who performed miracles, I am the one accusing myself today, I alone can absolve myself; me, the man.

What do we mean by saying that existence precedes essence? We mean that man first of all exists, encounters himself, surges up in the world-and defines himself afterward.

We are our choices.

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

Once we know and are aware, we are responsible for our action and our inaction. We can do something about it or ignore it. Either way, we are still responsible.