I don't regret the things I've done, I regret the things I didn't do when I had the chance.

"Books are the quietest and most constant of friends."

我不相信运气，我相信准备遇到机会。

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

计算理论的美在于它能够将世界的复杂性抽象成可管理和可理解的模型。

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。