The greatest weapon against stress is our ability to choose one thought over another.

Bad things can happen fast， but almost all good things happen slowly.

去做高尚的事情，不要整天只是做梦。

The most important thing in the programming world is to keep learning and practicing.

不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。

指事物之间相互依存、相互制约的关系。