【译文】冰与炭不能长久共存，寒与暑不会同时到来。

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.

做出伟大工作的唯一方法就是热爱你所做的事情。