The past is a teacher, if we are willing to learn.
教育本身就是生活,而不是为生活做准备。
艺术不是奢侈品,而是必需品。
我不完美,但我始终做自己。
The arithmetic of L-functions is a window into the soul of number theory.
I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.