I don't want to be perfect, but I do want to be a role model.
我不需要理由去变得伟大。
你唯一应该超越的人就是昨天的自己。
Profit and purpose can coexist. A successful business must also be a force for good.
Good and great are seldom in the same man.
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。