Because if they work any harder than that, then the other person is just going to slack off instead.

因为我们知道如果自己超额完成工作,其他人就可以少做点工作了

耶鲁公开课 - 博弈论课程节选

Third, I'd like to answer these questions from sound points of view and tell you a little bit about what we are doing and how we are doing it.

第三，我想对这些问题,给出合理的答案,并讲点我们,要做的事及完成的方式。

麻省理工公开课 - 媒体、教育、市场课程节选