无铬是不够的；我们需要无愧于心。
挫折不是惩罚，而是学习的机会。
处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
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.
