[109] for who would converse in a similar manner with parents and children, being by nature the slave of the one, and by birth the master of the others? And who, again, would talk in the same manner to brothers or cousins; or, in short, to near and to distant relations? Who, again, could do so to friends and to strangers, to fellow citizens and to foreigners, though there may be no great difference in point of fortune, or nature, or age between them? For one must behave differently while associating with an old man and with a young one; and, again, with a man of high reputation and a humble man, with a servant and a master; and, again, with a woman and a man, and with an illiterate and a clever man.