That people were conceived, whether by nature or by God or even by evolution, with a certain order to them; some born to do this and some born to do that and some born to do that.

即人的等级已经被设定好了,不管是被自然还是上帝,还是进化使然,天命不可违,有人天生做这种事,有人天生做那种事等等

耶鲁公开课 - 美国内战与重建课程节选