心理过程是生活的工具，其价值在于它们的用途。

Theatre survives because it's the one place you're guaranteed to find living people in a room together.

我们都是相互联系的；在生物学上彼此相连。在化学上与地球相连。在原子层面上与宇宙的其他部分相连。

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.

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.