That's what you learn, Hobbes believes, from the reading of Aristotle and the Greeks and Romans, regicide, that the only legitimate form of government is a republic and that it is a lawful and even it's your duty to kill your king.

唯一合法的政府应当是共和政体的政府，而且弑君在一定意义上也应当是合法的,甚至那还有可能是你应尽的义务,这就是那些年轻人从阅读亚里士多德,和古希腊罗马书籍中学到的东西。

耶鲁公开课 - 政治哲学导论课程节选