做得越多，学得越多；学得越多，能做的就越多。

We are all faced with a series of great opportunities brilliantly disguised as impossible situations.

True innovation requires taking risks.

"The writer's duty is to tell the truth, even when it is uncomfortable."

In mathematics, you don't understand things. You just get used to them.

这个世界惟有两样东西让我们的心灵感到深深的震撼,