Since the beginning of systematic thought—that is, for about 2500 years in western culture—there has been constant discussion of the problem of “the good community,” “the ideal society,” “the best form of government.” Tens of thousands of persons have given time and intelligence to arguments over these questions, and have devised nearly as many answers. After all this while, men have not reached any generally accepted conclusions, and there is no indication that we have advanced in these matters a single step beyond the reasonings of the ancient Greeks and Romans.