Knowledge is power.

Don‘t cry because it is over， smile because it happened。

the most famous composer in the world but was utterly miserable most of the time, and of the reasons was because he always overspent his income.This was Mozart.If Mozart couldn't get by with this kind of asinine conduct, I don't think you should try.

寻找真理的人的存在，远比那些认为自己已经找到真理的人的存在更值得珍视。

可持续发展已不再是一种选择，而是我们对后代的责任。