Contemplating the weaknesses of others is easy； contemplating the weaknesses in yourself is hard， but it pays a much higher reward.

生活要朴素，情操要高尚。

The Langlands program is not a theory but a web of conjectures and theorems that, if fully established, would unite number theory and representation theory.

Your brain is more powerful than you think; the key is learning how to activate it.

保持平常心，接受当下的自己，把自己做好，往往就能把事情做好：平常人也可以做非常事。