So, I could ask any of you who have the courage to come forward and fight in my phalanx? Nobody?

所以,我斗胆请问,在座哪位有胆量上来,为我的方阵效力,没人吗

耶鲁公开课 - 古希腊历史简介课程节选

A contract is more then communication, a contract is communication with teeth. It actually changes the payoffs.

协议的效力大于口头约定,协议是有违约责任的,它影响收益

耶鲁公开课 - 博弈论课程节选