A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
数学家是能在定理间找到类比的人；更好的数学家能在理论间看到类比；而最优秀的数学家能注意到类比之间的类比。
Escribir es una forma de explorar los límites de lo posible.
我是一个战士。我相信善良，我相信善良终将战胜邪恶。
The mind is everything. What you think you become.
My country is the world, and my religion is to do good.
领导力意味着今天做出艰难的决定，这些决定将使子孙后代受益。