The essence of mathematics lies in its freedom.

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.

每把锁都有钥匙，每个问题都有解决方案。

你相信有人心这回事吗？我不仅仅是指那个器官，当然喽。我说的是这个词的文学意义。人心。你相信有这样东西吗？某种让我们每个人成为独特个体的东西？

我们生活在阴沟里，但依然有人仰望星空。