" Existentialism, as said, is all about freedom. At the heart of freedom is choice and at the heart of choice is action. Action, then, is at the heart of existentialism, just as it is at the heart of human existence. ‘To be is to do’ says Sartre, summing up just how important he considers action to be. "

― , How to Be an Existentialist: or How to Get Real, Get a Grip and Stop Making Excuses