Coz the comment that we get so often about this class ? is why would Harvard students possibly be unhappy?

因为我们得到的关于这门课的评价常常是,为什么哈佛的学生会不幸福？

哈佛公开课 - 幸福课课程节选

A man who is living in a polis not doing well, how can he be happy? There's just no way.

一个生活在城邦里的人没有做好本分,他怎么会幸福,这是不可能的事情

耶鲁公开课 - 古希腊历史简介课程节选