来自《耶鲁大学开放课程—哲学：死亡 第7集 第7集》

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  Is it really true that in
  难道真的说
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  order to think about the perfectly straight,
  为了想象一条完美的直线
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  I must have somehow,
  我必须
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  somewhere at some point come up against,
  在某处直接碰到
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  had direct knowledge of, the perfectly straight?
  并直接了解一条完美的直线吗
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  Isn't it enough for me to extrapolate from cases
  难道仅仅依靠我这辈子碰到的东西
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  that I do come up against in this life?
  不足以使我推断出来吗
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  I come across things that are bent;
  我遇见过弯的东西
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  I come across things that are more straight,
  我碰到过更直的东西
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  more and more straight.
  越来越直的东西
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  Can't my mind take off from there
  即使我之前没有直接碰到过
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  and push straight ahead to the idea of the perfectly straight,
  难道我的心灵不能借此来推断出