实际上，我想引用一句不错的话来结束这一课。

In fact, I'll end with a nice quote.

youdao

懂得如何通过一句“对不起”来恰当地结束争吵才是一个小孩有良好教养的标志(也是一个人有体面的标志)。

Knowing how to end an argument by saying "sorry" nicely is a sign of a well brought-up child (and of a decent human being).

youdao

遇到后跟空白的分号时分割，假定为联合句或者短语的结束。

Break when a semicolon is followed by a white space; this is assumed to be the end of a conjunction or phrase.

youdao

I just want to say a word about that before closing.

在结束之前我想再说几句。

耶鲁公开课 - 政治哲学导论课程节选

This is by the famous biologist, D'Arcy Thompson, who wrote the book On Growth and Form, and it's sort of the model of many developmental psychologists and many evolutionary psychologists so I'll end with this: "Everything is the way it is because it got that way."

这是著名的生物学家,达西·汤普森所提出的,他写了一本叫做《论生长和形态》的书,这句话也是许多发展心理学家,和进化心理学的理论模型,所以我用这句话来作为结束,"万物如此,皆因其本"

耶鲁公开课 - 心理学导论课程节选