A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.

数学是一门活生生的学科，不断演变和发展。

No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

I always tell my kids, 'If you're going to do something, do it well. And if you're not going to do it well, don't do it at all.'

The interplay between randomness and structure is a central theme in both mathematics and computer science.

做农业要有耐心，要耐得住寂寞。