来自《耶鲁大学开放课程—哲学：死亡 第9集 第9集》

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  that sort of position is correct.
  确信无疑
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  In The Republic, famously,
  在著名的《理想国》一书中
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  Plato goes on to argue
  柏拉图一直在论证
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  that the soul has at least three different parts.
  灵魂至少可以分为三个不同部分
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  There's a rational part that's in charge of reasoning;
  分别是 理性部分 掌管推理
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  there's a spirited part that's sort of like the will;
  精神部分 这部分有点像意志
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  there's a part that has to do with appetite,
  还有一部分与欲望有关
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  desires for food, drink, sex, what have you.
  像食欲 性欲这类欲望等等
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  Plato elsewhere argues the soul is not simple at all.
  柏拉图在其他场合说过灵魂一点也不单一
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  So perhaps it shouldn't shock us
  也许这并不令人惊讶
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  that the argument he's sketching here
  柏拉图根据灵魂不变
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  for the simplicity of the soul based on the changeless,
  本质是灵魂不可见