The best way to learn mathematics is to do mathematics.

It is time to abandon the superstition that natural science cannot be logically respectable until philosophers solve the problem of induction.

预测未来的最好方法就是创造未来。

应该做官就做官，应该辞职就辞职，应该继续干就继续干，应该马上走就马上走。

我认为最好的故事是那些让你带着更多问题而不是答案的故事。