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.

The world is a dark place, but there's light in it too. You just have to look for it.

处于困境中的人往往只关注自己的问题，而解决问题的途径通常在于你如何解决别人的问题。

你注定成为的唯一的人是你决定成为的人。