Aristotle's claim about naturalness seems to require, as he told us, slavery, the categorical distinction of humanity into masters and slaves.

亚里士多德关于自然演变的主张,似乎包含了奴役，分类地,将人类区别成主与奴。

耶鲁公开课 - 政治哲学导论课程节选

He started out by observing that all of us, all human beings are governed by two sovereign masters: pain and pleasure.

边沁通过观察得出，所有人类均受两大至高无上的因素所支配：,痛苦与快乐。

耶鲁公开课 - 公正课程节选