市场失灵的程度永远不会为零，但政府失灵的程度同样如此。

The power of the Internet lies in its ability to connect people.

The lover's discourse is today of an extreme solitude.

Believe you can and you're halfway there.

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.

我的主要目标之一是制造工具，让工具本身塑造工件，使每个部分都获得恰当比例。