The most successful businesses solve problems people didn't even know they had.

Every day is a new opportunity to change your life.

Complacency is the enemy of progress in medicine.

Writing is the only thing that, when I do it, I don't feel I should be doing something else.

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.

我想把美国从恐惧中解放出来。我希望人们能自由地表达自己。

和一个道德品质败坏的人，无法完成一桩好交易。