So, it could be very interesting for all of us to have issues to discuss in class, and quite often some questions are very common and your classmates will be grateful to you that you brought it up.

所以,大家一起在课堂上讨论一些问题,这会非常有意思,还有些时候,你们的问题很普遍,而你的同学会很感激你提出了这个问题

耶鲁公开课 - 基础物理课程节选

And I think that was a heady feeling, and I would always be very grateful to have the chance to do that.

这是一个很刺激的感觉，同时我也会永远感谢,能够有这样一个机会。

普林斯顿公开课 - 人性课程节选