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.

写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

A good detective listens more than he speaks.

不要让自己被贫瘠的怀疑主义所污染。