There are lots of incentives, people acting in their own interests--they have to do that.

有很多的动机，促使人们根据自己的利益行事-他们也不得不这样做。

耶鲁公开课 - 金融市场课程节选

Let's do what Maslow talked about back in 1950s.

我们根据Maslow20世纪50年代所说的来行事。

哈佛公开课 - 幸福课课程节选