INTRODUCTION Though Luther was not a theological systematizer in the manner of Melanchthon or Calvin, he recognized that all aspects of evangelical theology were related to the one article of faith by which the church stands or falls. That is why he said in the preface to this disputation, “As you have often heard, most excellent brothers, because that one article concerning justification even by itself creates true theologians, therefore it is indispensable in the church and just as we must often