away at Eck, Luther allowed only the Bible to be used as an authority in their dispute, “refusing even to consider arguments from other sources.”9 Through his arguments in this and later confrontations, Luther unleashed forces that neither he nor anyone else would be able to control. He challenged established authority with his own will, just as some who followed his lead would be quick to pit their authority against Luther’s. As disputes and centers of authority proliferated, Luther had to face