[217] for if, while the teacher is present the pupil cannot go wrong, and if a monitor being at hand is of service to the learner, and if while an elder person is present the younger man is adorned by modesty and temperance, and if the presence of his father or of his mother have often prevented a son when about to commit sin, even though they are only beheld by him in silence, then what excess of good must we imagine that man to enjoy, who believes that he is always watched and beheld by God? for while he fears and reverences and looks up to the dignity of him as being present, he will flee from committing iniquity with all his might.