I cannot teach anybody anything。I can only make them think.

关注进步，而非完美。

每个故事都有一个开始、中间和结尾，但不一定是这个顺序。

The task of the leader is to get his people from where they are to where they have not been.

In mathematics, as in life, the most profound discoveries often come from asking the simplest questions.

这世上到处都是心碎的人。