Calvin's Doctrine of Biblical Authority offers a profound new approach to a long-debated topic. Istafanous draws upon Calvin's twofold structure regarding salvation to illumine the Reformer's twofold knowledge of God with particular focus on biblical authority. In doing so, Istafanous presents Calvin's view of biblical authority framed within modern discussions of inspiration. In the 1539 edition of the Institutes, and in all subsequent editions, John Calvin presented justification and sanctification as the ""twofold grace of God."" He repeatedly taught this concept in all of his...