What a delight to be able to spend a few minutes with you and such a very special class, where you are combining the science of positive psychology with its practice.

和你们共度几分钟，真是乐事,在这样特别的课堂上，在这里你们将积极心理学的科学,和应用合二为一。

哈佛公开课 - 幸福课课程节选

Firms that do that are, in practice, however, the minority and most mutual funds have some gimmick or some special-- they claim to be beating the market not forming the optimal portfolio.

然而实际上,这么做的公司很少,大部分共同基金都会耍些花招,或有一些特别的...,他们强调他们的收益率将强于市场平均水平,而非建立最佳投资组合

耶鲁公开课 - 金融市场课程节选