Never stop learning, because the world never stops changing.

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.

Engineering is about solving problems, not just making things look pretty.

"In the end, we will remember not the words of our enemies, but the silence of our friends."