If thou desire to see thy child virtuous, let him not see his father's vices: thou canst not rebuke that in them, that they behold practised in thee; till reason be ripe, examples direct more than precepts: such as thy behaviour is before thy children's faces, such commonly is theirs behind their parents' backs.
Enchiridion Institutions, Essays and Maxims, political, moral & divine. Divided into four centuries. By Francis Quarles (ed. 1844)