勇敢的人可能不会永远活着,但谨慎的人根本就没活过。
The brave may not live forever, but the cautious do not live at all.
The beauty of theoretical computer science lies in its ability to abstract and generalize, turning specific problems into universal truths.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
每一个数学问题都是通向新理解世界的窗口。
避免麻烦的最大方法之一就是保持简单......系统经常会失控。