Now happiness and unhappiness,or happiness and neurosis, psychosis and depression,are interconnected,of course.

幸福与忧愁，快乐与紧张，精神病与抑郁，都有很大的内在联系。

哈佛公开课 - 幸福课课程节选

A price that we'll talk about a lot, when I talk about relationships, when I talk about virtue and morality and when we talk about happiness and wellbeing in general.

我们会重点讨论这一代价，涉及到恋爱，美德与道德,以及快乐与幸福感。

哈佛公开课 - 幸福课课程节选