When I first started teaching this course and had six students, I remember one day sitting in Leverett House, having lunch by myself and one of the students comes in and says, "can I join you?" "Sure." we have lunch.

当我开始教授这门课时,有六名学生，我记得有一天坐在学生宿舍里，独自用餐，一名学生走进来说，“能一起吃吗？““当然“，我们共进午餐。

哈佛公开课 - 幸福课课程节选