Book 1
1252b
The partnership finally composed of several villages is the city-state; it has at last attained the limit of virtually complete self-sufficiency, and thus, while it comes into existence for the sake of life, it exists for the good life. Hence every city-state exists by nature, inasmuch as the first partnerships so exist; for the city-state is the end of the other partnerships, and nature is an end, since that which each thing is when its growth is completed we speak of as being the nature of each thing, for instance of a man, a horse, a household. Again, the object for which a thing exists, its end, is its chief good;
