"For one thing, unlike Calvinism, which held everything emotional to be illusory, the only sure basis for the certitudo salutis was in principle held to be a pure feeling of absolute certainty of forgiveness, derived immediately from the testimony of the spirit, the coming of which could be definitely placed to the hour. Added to this is Wesley's doctrine of sanctification which, though a decided departure from the orthodox doctrine, is a logical development of it"