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.

解释：河水成冰，不是一日的寒冷所致；积土成为高山，不是须臾的工夫就能完成。

A legal system is a system of rules which are valid according to the system's own criteria of validity.

I believe in acceptance. I believe in the moment.

音乐是我心在轨道上的跳动。