" Through the medium of print, thorny questions intended for debate among authorized experts have been made available for public comment for the first time. But only a tiny percentage of the population can read Latin. Writing about touchy theological issues in German would be something else entirely, which is why it’s so alarming when Luther decides to respond to his critics publicly in the vernacular. "

― Brad S. Gregory , Rebel in the Ranks: Martin Luther, the Reformation, and the Conflicts That Continue to Shape Our World