(Tac. Ann., vi. 26) or of Arria the wife of Paetus (Plin., Ep., iii. 16). If real moral motives for not committing suicide actually exist, it is certain that they lie very deep, and cannot be reached by the plummet of ordinary Ethics. They belong to a higher view of things than is adaptable even to the standpoint of the present treatise.

That which generally comes next on the rubric of duties towards ourselves may be divided partly into rules of worldly wisdom, partly into hygienic prescriptions; but neither class belongs to Morals in the proper sense.

Last on the catalogue comes the prohibition of unnatural lust — onanism, paederastia, and bestiality. Of these onanism is mainly a vice of childhood, and must be fought against much more with the weapon of dietetics