Animals that are altruistic even to the point of dying to help another, those genes will, under some circumstances, be preserved over the genes of people who are less caring.

有强烈利它主义的动物,甚至为其他动物牺牲自己，这些基因在某些情况下，就会被保存下来,而那些不关心他人的基因则不会。

耶鲁公开课 - 心理学导论课程节选

So, moral feelings we could view as feelings of condemnation, shame, emotions like that-- shame, condemnation, pride, righteous anger, but also simple affection, caring for other people, wanting to do well by them, being upset if an injustice is to be done by them.

我们眼中的道德情感包括谴责，和羞耻这样的情绪-,羞耻，谴责，骄傲，义愤，但简单的喜爱之情，对他人的关心，想对别人好，如果别人受到冤屈，你会感到气愤。

耶鲁公开课 - 心理学导论课程节选