The best thing for you is to have the other guy tidy up and the worst thing for you is to tidy up for the other guy.

让别人去打扫卫生是你最希望的结果,你为大家打扫卫生是你最不希望的结果

耶鲁公开课 - 博弈论课程节选

The next day in class, I used that and I said to the students, "You know, the last thing in the world that I want you to think is that I experience a constant high or that you, by the end of the semester or the year-- it was a year course, you-- by the end of the year-- " will experience a constant high."

第二天上课时，我讲了这件事并对学生说，“我最不希望你们以为,我总是保持快乐，或者你们，在期未或学年未-,那门课程要讲一年，你们到学年未时-,会一直保持快乐“

哈佛公开课 - 幸福课课程节选