来自《耶鲁大学开放课程：心理学导论 第3集 第3集》

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  And the problems with Freud go like this.
  弗洛伊德的问题是这样的
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  There are two ways you could reject a theory.
  你可以在两种情况下拒绝接受一个理论
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  There are two problems with the scientific theory.
  理论是否科学可以由两个方面进行判断
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  One way you could reject a theory is that it could be wrong.
  一种情况是 理论本身就是存在错误的
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  So, suppose I have a theory
  假设我提出了一个理论
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  that the reason why some children have autism,
  阐述了儿童之所以患有自闭症
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  a profound developmental disorder,
  一种严重的发展障碍
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  is because their mothers don't love them enough.
  是因为孩子缺乏母爱
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  This was a popular theory for many years.
  这个理论流行了很多年
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  It's a possible theory.
  它是一种可能的理论
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  It just turns out to be wrong but another way--
  但最终被证明是错误的
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  And so one way
  评判一个理论