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.

"You have to believe in yourself when no one else does."

I will always be grateful to my poor parents. I owe everything to them， my education， my life， and any success I have had.

我相信艺术有改变意识的力量。