Justification, conversion, perseverance in faith, and final salvation, obtained not by any effort of ours, but in every respect received as a gracious gift of God alone--that was the teaching also to which Luther faithfully, most determinedly, and without any wavering adhered throughout his life. In his _Large Confession_ of 1528, for example, we read: "Herewith I reject and condemn as nothing but error all dogmas which extol our free will, as they directly conflict with this help and grace of our Savior Jesus Christ. For since outside of Christ death and sin are our lords, and the devil our god and prince, there can be no power or might, no wisdom or understanding, whereby we can qualify ourselves for, or strive after, righteousness and life; but we must be blinded people and prisoners of sin and the devil's own, to do and to think what pleases them and is contrary to God and His commandments." (CONC. TRIGL. 897, 43.) 153. Luther's Doctrine Endorsed. To adhere faithfully to Luther's doctrine of conversion and salvation by grace alone was also the determination of the loyal Lutherans in their opposition to the Synergists. Planck correctly remarks that the doctrine which Flacius and the Anti-Synergists defended was the very doctrine which "Luther advocated in his conflict with Erasmus." (_Prot. Lehrbegriff_ 4, 667.) This was substantially conceded even by the opponents. When, for example, at the colloquy in Worms, 1557, the Romanists demanded that Flacius's doctrine of free will be condemned by the Lutherans, Melanchthon declared that herein one ought not to submit to the Papists, who slyly, under the name of Illyricus [Flacius], demanded the condemnation of Luther, whose opinion in the doctrine of free will he [Melanchthon] was neither able nor willing to condemn. (Gieseler 3, 2, 232.) In their _Confession,_ published in March, 1569, the theologians of Ducal Saxony (Wigand, Coelestin, Irenaeus, Kirchner, etc.) declared: "We also add that we embrace the doctrine and opinion of Dr. Luther, the Elias of these latter days of the world, as it is most luminously and skilfully set forth in the book _De Servo Arbitrio,_ against Erasmus, in the _Commentary on Genesis,_ and in other books; and we hold that this teaching of Luther agrees with the eternal Word of God." (Schluesselburg, _Catalogus_ 5, 133.)