来自《耶鲁大学开放课程—哲学：死亡 第18集 第18集》

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  but it doesn't seem like it's going to be the complete story.
  但看起来不像是彻底的回答
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  Because we could imagine cases where the person just thinks,
  因为我们可以想象出来人们会这样想
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  look, if only I'd been born earlier,
  如果我能早生出来
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  I would have had a longer life.
  我就能拥有一个更长的生命
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  Let's suppose that next week
  假设下周
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  astronomers discover the horrible fact that there's an asteroid
  天文学家发现一颗可怕的小行星
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  that's about to land on the Earth and wipe out all life.
  就要撞击地球消灭一切生物
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  So here it is, it's going to come on January 1, 2008.
  比如说 2008年1月1日就要撞击
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  And there you are, at whatever your age is,
  那个时候 不管你多少岁
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  20 years old, 21 years old,
  20岁 21岁
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  on January-on December 31, 2008 thinking,
  在2007年12月31日都会想
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  I've only had 20 years of life.
  我只活了20岁