True happiness arises, in the first place, from the enjoyment of one's self, and in the next, from the friendship and conversation of a few select companions.

Theorems are the permanent literature of mathematics.

"To write is to breathe, and to breathe is to live."

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

"Stories are the most important thing in the world. Without stories, we wouldn't be human beings at all."