做数学就是探索一个无限的思想景观。
The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
幸福很少缺席；是我们不知道它的存在。
Leadership is about making tough decisions with clarity and conviction.