我就是真理，永远别怀疑我。
I'm the truth, don't ever doubt me.
We are what we repeatedly do. Excellence, then, is not an act but a habit.
身体劳累而不休息，就会疲困；精力使用过度而不止歇，就会衰竭。
The world is full of stories, but the stories are all one.
经济增长的过程不是平稳和连续的；它以突飞猛进和停顿为标志。
The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.