机会是一个没有意义的词；没有原因，什么也不能存在。

每一本书都是一次旅程，每一次旅程都是一本书。

In my whole life, I have known no wise people...who didn't read all the time --none, zero.You'd be amazed at how much Warren reads --at how much I read...They think I'm a book with a couple of legs sticking out.

最好的投资不是技术，而是背后的团队。

In teaching history， there should be extensive discussion of personalities who benefited mankind through independence of character and judgement.

数学的历史是人类好奇心和创造力的历史。