你的行为会带来改变，而你必须决定你想带来什么样的改变。
What you do makes a difference, and you have to decide what kind of difference you want to make.
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
真正的进步来自于挑战现状。
所有老年人共有的一个大秘密是，你在七八十年里其实并没有改变。你的身体变了，但你一点也没变。这当然会引起很大的困惑。
Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.
事物的变化是其本质特征，适应变化是智慧。
