It's all very mysterious and we send off a spaceship to investigate the markings, the radio signals from the other place.

一切都很神秘,所以我们,派遣一艘飞船去调查星球上的印记,以及那些从其他星球传来的无线电信号

耶鲁公开课 - 死亡课程节选

And unlike souls, where it was all rather mysterious, how you could tell whether body whether souls swapping, was taking place or not.

不像灵魂论，那么充满神秘，你如何去辨别肉体,或者，灵魂是否，持续在变化，并不那么神秘。

耶鲁公开课 - 死亡课程节选