The allusion here is obviously to the passage in 1 Corinthians that you can find on your handout.

很明显，这个暗示来自《新约》的《哥林多前书》的一段,你可以在讲义材料里找到。

耶鲁公开课 - 弥尔顿课程节选

Many years ago a colleague of mine gave me a quotation from William Barrett I can't cite the quotation exactly, but it speaks about making one's mind so much like a mirror that others will see themselves in your presence.

多年前我的一个同事和我说过,一段William，Barrett的话,原话我不记得了，说的是让自己的思想成为一面镜子,让别人能从你的存在中看到他们自己。

普林斯顿公开课 - 人性课程节选