It was written in the second century sometime by a guy in Rome named Hermas,and it's called The Shepherd.

它成书于主后第二世纪左右,作者为一个叫黑马的罗马人，它被称为牧人书。

耶鲁公开课 - 新约课程节选

In the overall attitude of the planter class and the leadership class of the American South by the 1840s and 1850s, some were born to rule and some born to be ruled.

美国南方的19世纪40年代和50年代时,在普遍的种植园主阶级观念,和领导阶级观念中,有些人天生是统治者,有些人天生是被统治者

耶鲁公开课 - 美国内战与重建课程节选