Christianity's Dangerous Idea: The Protestant Revolution: A History from the Sixteenth Century to the Twenty-First

“Manz, formerly one of Zwingli's closest allies, held that there was no biblical warrant for infant baptism. Refusing to recant his views, he was tied up and drowned in the River Limmat.”

“Protestantism developed its sense of identity primarily in response to external threats and criticisms rather than as a result of shared beliefs. In one sense, the idea of "Protestantism" can be seen as the creation of its opponents rather than of its supporters.”