我得经常同自己说，有些鸟儿是关不住的。它们的羽毛太鲜亮了。当它们飞走的时候，你心底里知道把它们关起来是一种罪恶，你会因此而振奋。不过，它们一走，你住的地方也就更加灰暗空虚。我觉得我真是怀念我的朋友。

The greatest theorems often start as simple conjectures, born out of intuition.

Challenges are opportunities to innovate and grow.

In the fight between you and the world, back the world.

容易得到的东西，是靠不住的；轻易许下的诺言，不值得信赖。

The only way to learn a new programming language is by writing programs in it.

成功是最好的报复。