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。
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.
我是一个喜欢不普通的人。
The best way to learn is by doing—get your hands dirty in the lab.
创新不是重新发明轮子，而是让轮子更好、更强、更高效。