Suppose there's somebody alive forty odd years form now in the year 2050.

假定有个人生活在,四十多年后，也就是2050年。

耶鲁公开课 - 死亡课程节选

To ask have I survived until 2050 is to ask is that person who is alive in 2050 the very same person as the person who is standing here now lecturing to you.

问我是否能活到2050年,相当于问那个在2050年的人0,跟现在站在你们前面,给你们上课的是不是同一个人。

耶鲁公开课 - 死亡课程节选