释义：小的善行虽然不能带来巨大的好处，但是不能不做；小的恶行虽然不能惹来灾祸，但是不能不改。
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
定理是永恒的；它们的证明是短暂的。
No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.
The only way to do great work is to love what you do.
Policy debates should be grounded in rigorous empirical analysis.