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.
不是知识，而是学习的行为；不是占有，而是到达的过程，才能带来最大的快乐。
The best leaders are those who listen more than they speak.
图书馆是活书的墓地，每一本都在等待读者将其复活。
Wrong does not cease to be wrong because the majority share in it.