So the question we want to get clear on is what is it for somebody on Tuesday to be the same person as the person here talking to you on Thursday?

所以我们要弄清楚的问题是,下星期二给你们讲课的,和今天，星期四的是同一个人,这意味着什么？

耶鲁公开课 - 死亡课程节选

If I'm the only one around today who's got Shelly Kagan's personality, then I'm the same person as the person who was lecturing to you on Tuesday.

假如我是今天这里唯一拥有Shelly，Kagan人格的人，那么我就跟星期二给你们讲课的人是同一人。

耶鲁公开课 - 死亡课程节选