来自《哈佛大学公共课-公正：该如何做是好 第7集》

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  precisely because we inhabit both realms
  正因为我们同时属于这两个领域
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  there is always potentially a gap between what we do and what we ought to do
  我们所做和应该做的事之间总是可能不同
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  between is an ought.
  这是理所应当的
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  Another way of putting this point
  换种方式来说
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  and this is the point with which
  正是基于上述事实
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  Kant concludes the groundwork, morality is not empirical.
  康德得出道德不等同于经验主义的基本结论
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  Whatever you see in the world,
  无论你看到了什么
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  whatever you discover through science
  无论你通过科学发现了什么
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  can't decide moral questions.
  都不能解决道德问题
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  Morality stands at a certain distance from the world,
  道德与这个充斥着经验主义的世界
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  from the empirical world.
  保持着特定的距离
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  And that's why no science could deliver moral truth.
  这也是为什么没有科学能够揭示道德真相