But again, if you think of the possibility of doing that for all eternity and never getting away from it, never being free from it, the positive dream of immortality, I think, becomes a nightmare.

但是想想如果永远,那样下去，永远不法逃离，永远无法解脱，永生的美妙梦想，就会变成恶梦。

耶鲁公开课 - 死亡课程节选