What did Aristotle believe about society?

Aristotle believed that moral conduct contributes to the good life for humans. In his famous writing, "Ethics", he held that "life within a moral community" is "a vital component of human morality".

In his opinion, according to his writings and teachings, "the lives of individual human beings are invariably linked together in a social context".

See: http://www.perseus.tufts.edu/cgi-bin/ptext?lookup=aristot.+pol.+1252a&vers=greek

FRom a different aspect of this question, Aristotle rejected Plato's notion of commonly held property. He held that certain types of property can and probably should be owned "privately".