And I want to focus particularly on emotions that generate kind or altruistic behavior.

我想特别讲解能让人产生善意,利他主义行为的情感。

耶鲁公开课 - 心理学导论课程节选

And then we'll move towards altruism, towards non kin.

然后我会讲对非亲人的利他主义。

耶鲁公开课 - 心理学导论课程节选