He argued that the state had the right and the duty to supervise the Church. Laymen could and should judge their spiritual leaders. (It is better, he said, to be a good Christian than a wicked pope or prelate.) An immoral pope could not possibly claim infallibility. After all, he said, the papacy was a human institution—the word “pope” was nowhere in the Bible. Moral probity was the test of a true priest: “If he is manifestly sinful, then it should be supposed, from his works, that he is not just, but the enemy of Christ.” And such an enemy should be stripped of his office.