A true mathematician is always a student, always learning.

现在,对于做了很小错事的人,人们都知道他做错了并谴责他；对于犯了大的过错,以至于攻打别的国家的人,人们却不知道谴责他,反而跟着赞美这种行为,说这是义。

I don't want to make things that are difficult for people. I want to make things that are easy.

The world is full of obvious things which nobody by any chance ever observes.

领导力就是在需要的时候做出艰难的决定。