Freedom and order are not incompatible; truth is strength; free discussion is the very life of truth.
The essence of mathematics is not just in solving problems but in asking the right questions.
真正的领导力在于今天做出艰难的决定，以造福子孙后代。
当我累了，我就睡觉。当我饿了，我就吃饭。当我要走，你知道的，我就走。