I don't think people vary about the feelings of I do something for you and then you don't you don't do something for me.

在以下情形中，人们的感觉都是一样的,我帮了你,但你却不帮回我。

耶鲁公开课 - 心理学导论课程节选

And so I can--a great deal after all, 20 years-- I can give you a pretty good idea of what it's like to live in France, even if I didn't move there for the rest of my life without ever coming back."

所以我可以,毕竟二十年还是有很多,关于住在法国是什么样的感觉,我可以给你很好的描述,就算在我的有生之年我再也不会,搬回法国

耶鲁公开课 - 死亡课程节选