" often finds a more interesting story behind the conventional one. Martin Luther's supposedly revolutionary resistance to indulgences took place in a German state where they were sold. Even more intriguing, they weren't sold because the ruling authorities there get a brisk business in holy relics – which Luther left alone. "

― Andrew Pettegree , Brand Luther: How an Unheralded Monk Turned His Small Town into a Center of Publishing, Made Himself the Most Famous Man in Europe—and Started the Protestant Reformation