De Sacrificiis Abelis Et Caini

But as those who are thus anxious to render their souls propitious must of necessity cultivate the virtues of the soul, so also they who purpose to render their bodies favourable to their objects, must cultivate health and those powers which are akin to health, and these too they cultivate with unremitting and ceaseless labours, being overwhelmed with care, arising from the faculties in them of which they are compounded.