It was not easy to bring them together but when they had a common goal that brought them-- that caused the interconnection and then the contact led to moral feeling.

要让他们互相接触并不容易,但当他们有了共同目标-,他们就会互相联系,从而接触就产生了道德情感。

耶鲁公开课 - 心理学导论课程节选