I want to just go over the requirements of the course that really are required, not the optional piece, just so that you understand what my purpose is pedagogically.

我只想跟大家回顾一下,这门课程的必须要求，并非可以自由选择的,这样你们会理解我的目的何在。

耶鲁公开课 - 1945年后的美国小说课程节选

In the first lecture, I talked about a lot of things, but one theme that comes to my mind is the theme of the moral purpose and mission of the finance community.

第一课里，我讲了很多东西，但中心主旨,就是金融界的道德目标和使命。

耶鲁公开课 - 金融市场课程节选