If souls are simples and simples can't split, there's no possibility of having two things with a relevant soul.

如果灵魂是单纯无法分割的，就没有两个实体拥有相同灵魂的可能。

耶鲁公开课 - 死亡课程节选

The two views we are going to focus on are, on the one hand, the dualist view- people have souls as well as bodies-- and the physicalist view-- all we have, all we are, are bodies.

我们将要关注的两种观点是,一个是二元论,人们既有肉体亦有灵魂,另一个是物理主义,我们所拥有的,我们所存在的,只是肉体而已

耶鲁公开课 - 死亡课程节选