represented by Simo Peura and Kirsi Stjerna’s edition of Gal. 2:15–16),i Luther’s approach to expounding Scripture acquired its thrust and edge as the primary theological concern became dominant. The reciprocal relationship between the Bible and Luther’s theology of justification has been interpreted in different ways by different commentators, including the contributors to this volume. To put it in the most critical way possible: Martin Luther, having—as he himself attested—struggled over a long