For what can be more noble than to slay oneself? Not literally. Not with a blade in the guts. But to extinguish the selfish self within, that part which looks only to its own preservation, to save its own skin. That, I saw, was the victory you Spartans had gained over yourselves. That was the glue. It was what you had learned and it made me stay, to learn it too.

Author: Steven Pressfield