天下无数百年不弊之法，无穷极不变之法。
天下没有几百年不出现弊端的制度，也没有永远不变的法律。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
50岁重建事业并不容易——但值得的事情从来都不简单。
We kid ourselves if we think that the ratio of procedure to data in an active data-base system can be made arbitrarily small or even kept small.
The beauty of literature lies in its ability to transcend time and place.
所有老人共同的大秘密是，在七八十年里，你其实并没有改变。你的身体变了，但你一点都没变。
What is most personal is most universal.
我正充实地生活着，不会浪费任何时间。
Leadership is about empowering others to see their own potential.