The true value of a mathematician lies in the problems they leave behind.
Another thing I think should be avoided is extremely intense ideology because it cabbages up one's mind...when you're young it's easy to drift into royalties and when you announce that you're a loyal member...and you're gradually ruining your mind.
我不是一个回头看的人。我总是向前看。
经验丰富的人读书用两只眼睛，一只眼睛看到纸面上的话，另一只眼睛看到纸的背面。
Success is not accidental, but achieved through continuous effort and persistence.