I always try to be positive, even in difficult moments.

To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.

The only way you can write the truth is to assume that what you set down will never be read.

Bigness is no longer part of any urban tissue. It exists; at most, it coexists.

编程语言中最重要的东西是名字。没有好名字的语言不会成功。我最近发明了一个非常好的名字，现在正在寻找一种合适的语言。

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.

生活的全部就是放手，但最痛苦的是没有花一点时间说再见。

Life is not about waiting for the storm to pass, it's about learning to dance in the rain.