This book is very painful to read. It is also absolutely necessary. “Luther’s attitude to the Jews, though it makes him incomprehensible, indeed unbearable, to people of our time, is very much of his time” (153). This in brief is Kaufmann’s thesis: that Luther’s anti-Judaism and premodern anti-Semitism is representative, not unique, of the sixteenth-century church—small consolation for Lutherans and Christians. At yet, at the same time, we see in Luther two polarities of thought that are so mutually opposed as to be fundamentally bewildering...