Your caring, your moral feelings towards other creatures to the extent of the proportion of genes that you share with them.

你的关心，你对他人的道德情感,取决于你和他们拥有多少,相同的基因。

耶鲁公开课 - 心理学导论课程节选

Five of them sustain moderate injuries, one is severely injured, you could spend all day caring for the one severely injured victim but in that time, the five would die.

其中五人伤势不算严重，另外一人受重伤，你可以花上一整天时间,来医治这一名受重伤的病人,但那另外五个病人就会死。

耶鲁公开课 - 公正课程节选