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.

我从来不是一个在意别人说什么的人，我就是我。

儿童的进步不是取决于年龄，而是取决于能够自由地观看他周围的一切。