Existentialism isn't so atheistic that it wears itself out showing that God doesn't exist. Rather, it declares that even if God did exist, that would change nothing.

They have this social justification for every nasty thing they do!

In the end they will lay their freedom at our feet and say to us, Make us your slaves, but feed us.

I am a sick man...I am a spiteful man. I am a most unpleasant man.

Right attitudes produces right action

Civilization has made man, if not always more bloodthirsty, at least more viciously, more horribly bloodthirsty.

Suppose, gentleman, that man is not stupid.