On June 29, Pope Emeritus Benedict XVI celebrated his 70th year of priesthood. His successor, Pope Francis, wished him well. He thanked this “contemplative in the Vatican” for his “credible witness” and his “gaze, constantly directed towards the horizon of God”. Though marked in a low-key manner, this anniversary is significant and deserves greater attention. Firstly, Benedict XVI – Joseph Ratzinger – is one of the most accomplished theologians and thinkers of the past century. Secondly, he is a historical figure whose work has the potential to challenge us out of our stupor – if and when, we allow it to. Thirdly, his priesthood roughly coincides with the most formative periods of Europe’s recent history. Ratzinger was convinced of his call to the priesthood. As he was returning home after the war, he heard music and prayers marking the feast of the Sacred Heart. He was moved to tears: “The heavenly Jerusalem could not have appeared more beautiful to me at that moment. There was no longer any doubt about my calling. I knew where I belonged.” In a conversation with his biographer, Peter Seewald, he admitted that he felt that God wanted something from him that “could only be...