你永远不会太老而不能设定另一个目标或做一个新的梦。

Find answers in silence.

我最大的对手就是我自己。

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. In a world filled with distrust, we must still dare to believe.

The greatest courage is to love in spite of everything.

最好的尚未到来。

生活要朴素，情操要高尚。

一个好的数学家是懒惰的，但要以建设性的方式。