The only thing worth more than the slaves in the American economy of the 1850s was the land itself, and no one can really put a dollar value on all of the land of North America.

十九世纪五十年代的美国经济中,唯一价值超过奴隶的就是土地,而且没有人能够真正对,美国北部的土地进行估值

耶鲁公开课 - 美国内战与重建课程节选

His claim that the lives of his fellow citizens are not worth living and his claim that his way of life has been commanded by a god that no one else has ever heard or seen.

他主张其同胞的人生,不值得活,和自己的生活方式,是受神性的指示,这些都未曾有人听闻过。

耶鲁公开课 - 政治哲学导论课程节选