The art of diplomacy is to understand desires of others and to find a way, where they think they get what they want.
Theorems are eternal; their proofs are ephemeral.
目的可以证明手段的正当性，只要存在某种能证明目的正当性的东西。
The greatest gift you can give yourself is self-love.
数学中最深刻的思想往往源于最简单的观察。
You have to trust the process and believe in yourself.
I think the most important thing is to be true to yourself and to be honest with yourself.
