对任何农场来说，最好的肥料就是农民的足迹。

The art of invention consists in finding out the causes of known effects.

I don't believe in luck. I believe in effort.

So, I went through life constantly practicing this model of disciplinary approach. Well, I can’t tell you what that’s done for me. It’s made life more fun. It’s made me more constructive. It’s made me more helpful to others. It’s made me enormously rich.

I'm a person who likes to be irregular.

这个世界的问题在于愚者和狂徒对自己如此确信，而智者却充满疑虑。