So how are we to account for the diversification of languages, the spread of different ethnic linguistic groups throughout the lands of the earth if we all come from one common creative moment, one common ancestor?

所以，如果我们都起源于同一个时刻，来源于,同一个祖先，那又要怎样解释语言的多样性，怎样解释,使用不同语言的族群遍布地球上的所有土地,这一现象呢？

耶鲁公开课 - 旧约导论课程节选

That slavery may have its bad aspects but it has been the engine of good, it has been the engine of empires, the engine of wealth, the engine of greatness.

奴隶制本身也有不好的方面,但是它曾是一切善行的起源,帝国崛起的推动力,是一切财富的来源,伟大事物的起源

耶鲁公开课 - 美国内战与重建课程节选

The final and the fifth premise is an important one; is a philosophical one but one I want to introduce at the beginning of the course so that you understand where I am coming from, where this course is coming from-- because many people say, "Ok, so happiness is important.

最后也是第五个前提很重要;,是一个哲学前提,但我想在课程开始时介绍,你们好理解我讲课的起源，这门课程的来源-,因为很多人说，好的，快乐是重要的。

哈佛公开课 - 幸福课课程节选