数学分析的结果表明，如果婚姻双方在情感上是相似的，则他们有一个‘最优努力策略’，其结果是幸福、长久的婚姻关系。

The results of the mathematical analysis showed when both members of union are similar emotionally they have an "optimal effort policy," which results in a happy, long-lasting relationship.

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幸福的家庭是相似的，不幸的家庭却各有各的不幸。

A happy family is similar, but unhappy family is unhappy in its own way.

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幸福的家庭是相似的，不幸的家庭却各有各的不幸。

Happy families are alike, but each unhappy family is unhappy in its own.

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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

A happy marriage for Milton was founded on a couple of like-minded opinions and values, - their ability to converse with one another -- and so this is why the notion of divorce for reasons of incompatibility is so important to Milton, because compatibility in marriage is the very essence of marriage.

对弥尔顿来说，一段幸福的婚姻是建立在,有着相似观点和价值基础的情侣间的，他们与彼此交谈的能力-,因此这就是为什么对弥尔顿来说离婚这一概念,无论如何都十分重要，因为和谐共处,是婚姻的精髓。

耶鲁公开课 - 弥尔顿课程节选