The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

如果你独处时感到寂寞，这说明你没有和你自己成为好朋友。

My job is not to be easy on people.My job is to take these great people we have and to push them and make them even better.

Read to satisfy your own natural curiosity, not to impress or accomplish.

真理是所有伟大艺术的基础。