数学是给不同事物以相同名称的艺术。

经历一番挫折，才能增长一分见识；经过一些番磨难，才能增一分度量；省一分利益的经营，而多一分道义；能学一分退让，可得一分便宜；去掉一分享受则减少一分罪过；对事物多一分认识，而多一分物情。

我曾听说过这样一个说法：快乐就是拥有健康和短暂的记忆。我多么希望这是我发明的，因为说得太对了。

The idea that everyone should slavishly work so they do something inefficiently so they keep their job – that just doesn’t make any sense to me. That can’t be the right answer.

The constant pursuit of wisdom is the highest goal of life.

Life is pleasant. Death is peaceful. It's the transition that's troublesome.

史记

在科学中，就像在生活中一样，重要的事情很少是简单或显而易见的。

Sometimes, I think the reason we hold onto something so tight is because we fear something so great will never happen again.

I am not what I am.