Collaboration in mathematics is essential; no one can solve all the problems alone.
数学中的合作是必不可少的；没有人能独自解决所有问题。
一本书就是你握在手中的一个梦想。
The limits of the possible can only be defined by going beyond them into the impossible.
每场比赛对我来说都是一次新的挑战。
The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.
如果你想得到一切，就放下一切。