A good book should be an axe to break the frozen sea within us.

The facts of life are very simple, but the stories we tell about them are very complicated.

我不害怕重新开始。

我不等待机会，我创造机会。

计算复杂性的研究告诉我们，有些问题本质上是困难的，无论我们的算法多么聪明。