自由不仅仅是随心所欲的机会；也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会，对它们进行辩论——然后，才是选择的机会。

You are allowed to be both a masterpiece and a work in progress simultaneously.

A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.

The beauty of computational theory lies in its ability to abstract and generalize, turning specific problems into universal solutions.

Never let your sense of morals prevent you from doing what is right.

我深信遇见的每一个人都有他的意义。