And rather than looking it as selfish-- some people may feel this ease way-- and rather than looking it as selfish i.e. -- equal immoral.

不要把它看作自私-,有人可能会这样简单考虑-,不该把自私等同于不道德。

哈佛公开课 - 幸福课课程节选

If we're all--conventional economic theory says, we're all relentlessly selfish and calculating.

传统的经济学理论的观点认为,人们都唯利是图,精于算计

耶鲁公开课 - 金融市场课程节选

What this often--What this can be viewed as, as an extended version of selfish gene theory, which is that to the extent you're interconnected with other people you care about them more for purely selfish reasons.

其实我们可以把这个观点视为，自私基因理论的延伸，也就是说根据你和别人,互相联系的程度,你对他人的关心更多是因为自私的原因。

耶鲁公开课 - 心理学导论课程节选