In the field of church history, this article is a study of the Reformation period on a specific topic, namely, asceticism, from an uncommon perspective. One of the most well-known Reformation treatises, Martin Luther’s On the Freedom of a Christian, is read in conversation with an earlier ascetic wri¬ting, Maximus Confessor’s The Ascetic Life, and then compared to an under¬stu¬died debate from the late 16th c. between the Lutheran Tübingen theologians and the patriarch of Constantinople, Jeremiah II. This textually based study is concerned both with the methodological problems that characterize the politics of comparison and with the present debates surrounding ascetism. In the end it is argued that asceticism is not only a theologically va...