当我停止相信自己能赢的那一天，就是我停止打网球的那一天。

经历一番挫折，才能增长一分见识；经过一些番磨难，才能增一分度量；省一分利益的经营，而多一分道义；能学一分退让，可得一分便宜；去掉一分享受则减少一分罪过；对事物多一分认识，而多一分物情。

我知道自己是聪明的，因为我知道自己一无所知。

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.

Confidence is the best outfit, rock it and own it.

The only thing I can control is my effort and my attitude.