We can only show proper love and concern for things that are ours, not things that are common.

我们仅能对我们自己的事,展现适当的爱与关怀，而无法延伸至共同的事物。

耶鲁公开课 - 政治哲学导论课程节选

So, if I wanted to cause you to feel moral concern for a fetus, I would do well to describe it as a pre-born child.

所以如果我想你对胎儿产生道德关怀，我最好就称它为未出生的婴儿。

耶鲁公开课 - 心理学导论课程节选