数学的乐趣在于发现的旅程，而不仅仅是目的地。

To be human is to be flawed, but it is also to be capable of great change.

If you say you want to automate cars and save people’s lives, the skills you need for that aren’t taught in any particular discipline. I know – I was interested in working on automating cars when I was a Ph.D. student in 1995.

改变的秘诀是将你所有的精力集中在建设新事物上，而不是与旧事物斗争。