一本好书是一个永远不会离开你的朋友。
Mathematics is an art, and as an artist, you have to be honest with yourself.
当我们努力变得比现在更好时,周围的一切也会变得更好。
当一个人不能再拥有的时候,他唯一能做的便是不要忘记。
我不完美,但我一直在努力变得更好。
The mind-body problem is not just a local problem, but one that confronts us with a deep mystery about the universe.