要理解世界，你必须首先寻求理解自己。

The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.

In Russia, the harshness of the laws is softened by the fact that they are not enforced.

I believe in hard work. I believe in the process. I believe in the journey.

追求数学真理是一项既个人又普遍的努力。

领导力不是掌控，而是关怀那些托付给你的人。