When I was ein younger man I studied canon law; though Erfurt was a challenge it was just to please my pa. Then came the storm, the lightning struck; I called upon Saint Anne: I shaved my head, I took my vows – an Augustinian. Refrain: Papal bulls, indulgences and transubstantiation: speak your mind against them and face excommunication. Nail your theses to the door, let’s start a reformation, papal bulls, indulgences and transubstantiation. When Tetzel came near Wittenberg, St Peter’s profits soared, so I wrote a little message for the All Saints’ bulletin board; ‘you cannot purchase merit for...