Martin Luther by Carl E. Koppenhaver — Read

The crisis at Leipzig was reached when Eck backed into a dialectical corner and had to resort to foul tactics. How discredit Luther? Perhaps if he made him synonymous with heresy.

Craftily Eck pointed out the similarity between Luther's arguments and those of the Bohemian reformer, John Hus, whom the Council of Constance had condemned to the stake a century before. Luther denounced the insinuation and declared the Bohemian heresy irrelevant to the debate.