The city, as Aristotle understands, will always exist in a world with other cities or other states, based on different principles that might be hostile to one's own.

城市，如亚里士多德所认为，将永远会,和其它城市或国家同时存在，根于不同的管理原则,可能还会对自己人怀有敌意。

耶鲁公开课 - 政治哲学导论课程节选

The aim of the Republic is to establish a harmonious city, based on a conception of justice that, so to speak, harmonizes the individual and society, how to achieve that.

理想国》的主要目的,是要建立一座和谐的城邦，其基础概念是正义，也可以说是要协调个人与社会，及陈述达成目的的方法。

耶鲁公开课 - 政治哲学导论课程节选