The only true rebellion left is to refuse to participate in the madness of the world.
几个世纪以来纸张一直是人类知识的载体，我们的责任是确保它再延续几个世纪。#
The best mathematics is simple, but not too simple.
When you are stuck， sleep on it. Let your subconscious work for you.
预测未来的最好方法就是创造未来。
You have to believe in yourself when no one else does.