The unity of mathematics is not imposed but discovered.
数学的统一性不是强加的，而是被发现的。
生命中你有许多机会闭紧嘴巴。
The heart of another is a dark forest, always, no matter how close it has been to one’s own.
To be a writer is to accept that you will always be alone with your thoughts.
阅读好书，就如同与过去几个世纪中最杰出的人物交谈。