You can cheat but you'll be shamed in front of your neighbor.

在你同桌面前你就不好意思不写了吧

耶鲁公开课 - 博弈论课程节选

That is to say,the reward of good behavior the admiration and the honor that a hero gets, and the most serious punishment he can suffer is to be shamed in front of that community.

也就是说,对正面行为的犒赏,就是得到如英雄般的尊敬和仰慕,而最严厉的惩罚,就是在集体面前当众蒙羞

耶鲁公开课 - 古希腊历史简介课程节选