I think it's very difficult, indeed I think it's impossible, to think of anything you'd want to do forever.

我认为很难，其实我认为不可能，想出一件你希望永远做下去的事。

耶鲁公开课 - 死亡课程节选

There's no life that I'm able to imagine for myself that's one that I would want to take on forever.

我不能为自己想象出一种,愿意永远过下去的生活。

耶鲁公开课 - 死亡课程节选