it was...of all the worries in my mind that would not be way up there.

这个问题是我非常关心的,问题之一。

普林斯顿公开课 - 国际座谈会课程节选

We've got a story in which I'm thinking all sorts of thoughts; my mind clearly exists, and yet, for all that, my body does not exist.

在故事里,我正思考着,我的心灵显然是存在着的,但是,我的躯体却不存在了

耶鲁公开课 - 死亡课程节选