, that is, “the thunderbolt of excommunication,” proceeded from an imagination of the Bishop of Rome, which first used it, that he was king of kings; as the heathen made Jupiter king of the gods, and assigned him, in their poems and pictures, a thunderbolt, wherewith to subdue and punish the giants that should dare to deny his power. Which imagination was grounded on two errors; one, that the kingdom of Christ is of this world, contrary to our Saviour’s own words (John 18:36), “My kingdom is not of this world”; the other, that he is Christ’s vicar, not only over his own subjects, but over all the Christians of the world; whereof there is no ground in Scripture, and the contrary shall be proved in its due place.