古之立言者，皆有所为而发也。
古代著书立说的人，都是有所为而发的。
世界是一个没有结局的故事。
The arithmetic of algebraic groups is a key to understanding the Langlands conjectures.
It’s not whether you’re right or wrong that’s important, but how much money you make when you’re right and how much you lose when you’re wrong.
At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love.