这表示，功利主义者或许会做那些对所有人的幸福有益的事，但是他们自身却不是非常快乐。

Utilitarians, this suggests, may add to the sum of human happiness, but they are not very happy people themselves.

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And very interesting for positive psychologists, those concerned with wellbeing and happiness: their wellbeing and happiness levels were incredibly similar.

让积极心理学学者，和研究幸福和快乐的人，更感兴趣的是：,这些双胞胎的幸福和快乐水平非常相似。

哈佛公开课 - 幸福课课程节选