领导力意味着做出今天艰难的决定，造福子孙后代。

预测未来的最好方式就是创造未来。

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.

没有任何物理量可以永远呈指数级变化。