最艰难的挑战往往带来最大的突破。

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 power of computing lies in its ability to transform ideas into reality.

人穷了住在闹市也没人愿意理睬，人富了住得再偏远也会有人去登门。