Natural right is mutable because different circumstances will require different kinds of decisions. So does this mean then that for Aristotle there are no universally valid ? standards of justice or right?

自然权利是易变的，因为不同的情况,将需要不同种的决策,这是否就意谓着亚里士多德,认为没有寰宇合法的,正义与权利标准？

耶鲁公开课 - 政治哲学导论课程节选

This is why even the best city, even Kallipolis will require, as he spends a great deal of time discussing, will require a warrior class, a class of what he calls "auxiliaries."

这就是为何就算是最优之城，就算是，Kallipolis，仍需要，如他费时讨论，都还是需要战士阶级，一个他称为，“后备的，“阶级“

耶鲁公开课 - 政治哲学导论课程节选