睡眠不是奢侈品，而是大脑的必需品。

The true power of an algorithm is not in its speed or efficiency, but in its ability to reveal the hidden structures of the problems it addresses.

只有那些心智极其脆弱的人才会拒绝受文学和诗歌的影响。

这是最好的时代，这是最坏的时代。

要理解现在，我们必须理解过去。