The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.

我不是天后。我只是对我所做的事情非常热情。

让中国人吃饱饭是我们这代科学家的使命。

I don't need validation from anyone else. I know who I am.

The best way to cheer yourself up is to try to cheer somebody else up.