Believe that life is worth living， and your belief will help create the fact.

Don't just fight in the North or the South. Always imagine every battle in your mind, where everyone is both your enemy and your friend, and all possible events happen simultaneously. That way, nothing will take you by surprise, and everything that happens will be something you've already imagined.

Happiness is not something ready made. It comes from your own actions.

In mathematics, the journey is often more important than the destination.