我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。

When you forgive others， they may not notice， but you will heal. Forgiveness is not something we do for others； it is a gift to ourselves.

最重要的是讲述一个你关心的故事。

The poet is the man who translates the emotions of others into words.

If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.