我只知道我什么都不知道。
All I know is that I don't know nothing.
The most important single aspect of software development is to be clear about what you are trying to build.
Tolerance is the liberation of the soul.
The most important thing in mathematics is to ask the right questions.
一个人若不能治理自己,便不能治理家庭;若不能治理家庭,便不能治理城市;若不能治理城市,便不能治理国家。
Every challenge is an opportunity in disguise.