贪婪的欲望会带来痛苦，舍弃贪欲才能获得真正的快乐。
人们说逝者总是在俯视着我们。但我们从不回望。
生存可以总结为三个字——永不放弃。这就是它的核心。只要继续尝试。
The only person you should try to be better than is the person you were yesterday.
数学真理是普遍而永恒的。
【译文】 曾子说：“我每天都要多次提醒自己：工作是否敬业？交友是否守信？知识是否用于实践？”
Time erodes all such beauty, but what it cannot diminish… is the wonderful workings of your mind. Your humor, your kindness… and your moral courage.