做一个有道德的人，就是要付出、必须付出某种关注。
To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
农民是我们经济中唯一以零售价购买一切，以批发价出售一切，并支付双向运费的人。
"The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential."
The only real failure in life is not to be true to the best one knows.
The greatest use of life is to spend it for something that will outlast it.