There is a sentence that sounds simple and turns out to be one of the most destabilizing claims in the history of philosophy. Existence precedes essence. Four words. The argument embedded in them upends centuries of thinking about what human beings are and what kind of freedom we have.

In this episode, Shawn and Claire give Sartre the fullest treatment of the show — the philosopher who gave existentialism its most systematic and most demanding form. They cover bad faith: the attempt to deny your own freedom by pretending to be a thing with a fixed nature rather than a subject with open possibilities. The waiter who has so thoroughly identified with his role that he seems to have become it. The person who says I cannot help it, that is just who I am — and in doing so, evades the responsibility that Sartre insists cannot finally be escaped. ...