In the context of what had happened, what role should America play in the world, going forward.

面对现在发生的一切，美国今后在这个国际大舞台上该怎样做呢。

普林斯顿公开课 - 国际座谈会课程节选

Do you have the sense that they are... this crop of young people coming on the scene, they are more willing and more able to do better by America by our world?

您认为他们。,这群登上历史舞台的年轻人，他们是否更愿意更有能力,让美国让世界更美好？

普林斯顿公开课 - 国际座谈会课程节选

If you were to say to me, what do you think is the most important thing, however you define thing, that has changed the character of life in the United States in the twentieth century, I would say the disappearance of farmers.

如果你问我,我认为什么才是,最重要的东西,你认为是什么,在二十世纪改变了,美国人的生活方式,我会说是农民退出了历史舞台

耶鲁公开课 - 古希腊历史简介课程节选