It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
我们期望晚餐不是出自屠夫、啤酒商或面包师的仁慈，而是出自他们对自身利益的考虑。
You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.
我常说，你永远不可能太努力工作。
当你愿意质疑一切时，创新就会发生。
如果你想让人做某事，就让它变得简单。