你唯一需要超越的人,是昨天的自己。
The only person you should try to be better than is the person you were yesterday.
——二个叔父孙学成、孙观成早年均因为贫穷必须远赴他乡做工谋生,在孙出生前后因病去世,孙看到清朝绩弱不振,受到外国强敌欺侮,增加自己从事反清革命的动机
自由民主的传播和世界经济的整合是推动世界走向历史终结的两大主要力量。
The most important property of a program is whether it accomplishes the intention of its user.
The role of the infinitely small in nature is infinitely large.