一个运动员，为了能在百米比赛上场，至少要练上一万英里。数量带来经验。
An athelete may run ten thousand miles in order to prepare for one hundred yards. Quantity gives experience.
The only freedom which deserves the name is that of pursuing our own good in our own way， so long as we do not attempt to deprive others of theirs， or impede their efforts to obtain it.
The most important thing in auction design is to create an environment where bidders feel comfortable revealing their true valuations.
当你做你热爱的事情时，你不会感到压力。