Wesley held that divine grace could be rejected; it was not irresistible. And a believer could “fall from grace,” lose salvation; there was no necessary “perseverance of the saints.” Wesley read with profit the noted American preacher Jonathan Edwards, but could not accept his Calvinism. He also argued with his friend, George Whitefield, about the latter’s commitment to Calvinistic predestination. Wesley preferred to be known as an Arminian to denote his disapproval of predestination Calvinism. Although