To be a writer is to have a certain kind of sensitivity to the world, to be able to see what others do not see, to hear what others do not hear.
The conjectures of the Langlands program are not merely problems to be solved but a vision of how mathematics should be.
墙上那个嘲笑你的时钟,可能是你老板的;但是朋友,时间是你自己的。