De Sacrificiis Abelis Et Caini

So too let those athletes who are not able to gain the victory but who are invariably defeated, condemn their trade; and if any merchant or captain of a ship in all his voyages meets with incessant disasters, let him turn away from the business and rest. And those men who, having devoted themselves to the intermediate arts, have nevertheless through the ruggedness of their nature been unable to acquire any learning, are to be praised for abandoning them: for such studies are not practised for the sake of the practise, but for the sake of the object towards which the labourer is borne.