来自《耶鲁大学开放课程：政治哲学导论 第5集》

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  that all virtue is a form of knowledge,
  那就是所有的美德都是知识的一种形式
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  all the virtues require
  所有的美德的根本
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  knowledge and reflection at their basis.
  都需要知识及思考
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  But much of the exchange with Thrasymachus
  但是之后与特拉西马库斯的
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  turns on the problem of
  辩论转向了
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  what kind of knowledge justice involves, and justice is
  与公正有关的知识
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  a kind of knowledge.
  公正是否本身就是知识
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  If justice equals self-interest
  如果公正等同于个人利益
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  and self-interest requires knowledge,
  而个人利益又需要知识
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  well what kind of knowledge is that?
  那又一种什么样的知识呢
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  Thrasymachus contends that
  特拉西马库斯认为
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  justice consists of the art of convincing
  公正包括一种能说服别人的艺术