我们写作不是因为我们想写，而是因为我们不得不写。
Great companies don't just adapt to change; they anticipate and shape it.
To write is to confront the chaos of existence and impose some order upon it.
The aim of proof is to understand, not just to verify.
The most important thing is to have a disciplined approach.
The proper function of man is to live，not to exist.