ought to be a sort of practice of piety, for we have been called to sanctification” (Inst., 3.19.2). This, then, is the essence of Calvinist piety, to which Professor McKee provides ready access through judicious extracts from Calvin’s own hand. There is of course much more. Of the many other aspects of Calvin’s piety to which she draws attention, three strike me as especially important. First, the Christian life for Calvin was suffused with a profound awareness that Christians are not their own: