宇宙不是一个需要解决的谜题,而是一个需要经历的神秘。
解释:对社会有用的,创作百篇也没有害处;对社会无用的,写一章也没有好处。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
成功不是终点,失败也非致命,重要的是继续前进的勇气。
The most radical thing you can do is to be yourself.