Aristotle, Nicomachean Ethics
H. Rackham, Ed.

The best thing is then that there should be a proper system of public regulation; but when the matter is neglected by the community, it would seem to be the duty of the individual to assist his own children and friends to attain virtue, or even if not able to do so successfully,¹ at all events to make this his aim. But it would seem to follow from what has been said before, that he will be more likely to be successful in this if he has acquired the science of legislation. Public regulations in any case must clearly be established by law, and only good laws will produce good regulations; but it would not seem to make any difference whether these laws are written or unwritten, or whether they are to regulate the education of a single person or of a number of people, any more than in the case of music or athletics or any other form of training. Paternal exhortations and family habits have authority in the household, just as legal enactments and national customs have authority in the state, and the more so on account of the ties of relationship and of benefits conferred that unite the head of the household to its other members: he can count on their natural affection and obedience at the outset.