The greatest thing in life is to keep your mind young.
生命中最伟大的事情是保持心灵年轻。
I don't have time to worry about who doesn't like me. I'm too busy loving the people who love me.
In a way, I've got some bad news, particularly to anybody who's come to Oxford from abroad. There's a real problem with snobbery, because sometimes people from outside the U.K. imagine that snobbery is a distinctively U.K. phenomenon, fixated on country houses and titles. The bad news is that's not true. Snobbery is a global phenomenon; we area global organization, this is a global phenomenon. What is a snob? A snob is anybody who takes a small part of you, and uses that to come to a complete vision of who you are. That is snobbery.
经验丰富的人读书用两只眼睛，一只眼睛看到纸面上的话，另一只眼睛看到纸的背面。
一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。
The most damaging phrase in the language is: 'It's always been done this way.'