天地有万古岁月，可人死了就不会再复活；人寿命最多百年，一天很容易就会过去了。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The intersection of mathematics and computer science is where some of the most exciting discoveries are made.

你做得越多，学到的就越多。你学到的越多，能做的就越多。

顾客永远是对的，即使他们是错的。