It is always good to have a problem that you cannot solve. It means you have something to work on.
Success is not about the money you make, it's about the difference you make in people's lives.
互联网是人类建造的第一个人类自己都不理解的东西,是我们有史以来最大的无政府状态实验。
The method of psychology must be rigorously empirical.
Justice is not always served in the way we expect, but it is always served in some form.