In this way every one will easily be able to learn for himself the limit and discretion, as they say, of his bodily castigations: for he will fast, watch and labor as much as he finds sufficient to repress the lasciviousness and lust of his body. But they who presume to be justified by works do not regard the mortifying of the lusts, but only the works themselves, and think that if only they have done as many and as great works as are possible, they have done well, and have become righteousness; at times they even addle their brains and destroy, or at least render useless, their natural strength with their works. This is the height of folly, and utter ignorance of Christian life and faith, that a man should seek to be justified and saved by works and without faith.
[Sidenote: An Analogy]
In order that what we have said may be more easily understood, we will explain it by analogies. We should think of the works of a Christian man who is justified and saved by faith because of the pure and free mercy of God, just as we would think of the works which Adam and Eve did in Paradise, and all their children would have done if they had not sinned. We read in Genesis ii, "God put the man whom He had formed into the garden of Eden to dress it and to keep it." [Gen. 2:15] Now Adam was created by God righteous and upright and without sin, so that he had no need of being justified and made upright through his dressing and keeping the garden, but, that he might not be idle, the Lord gave him a work to do—to cultivate and to protect the garden. These would truly have been the freest of works, done only to please God and not to obtain righteousness, which Adam already had in full measure, and which would have been the birthright of us all.
Such also are the works of a believer. Through his faith he has been restored to Paradise and created anew, has no need of works that he may become or be righteous; but that he may not be idle and may provide for and keep his body, he must do such works freely only to please God; only, since we are not wholly re-created, and our faith and love are not yet perfect, these are to be increased, not by external works, however, but within themselves.
[Sidenote: A Second Analogy]
Again: A bishop, when he consecrates a Church, confirms children or performs any other duty belonging to his office, is not made a bishop by these works; nay, if he had not first been made a bishop, none of these works would be valid, they would be foolish, childish and a mere farce. So the Christian, who is consecrated by his faith, does good works, but the works do not make him more holy or more Christian; for that is the work of faith alone, and if a man were not first a believer and a Christian, all his works would amount to nothing at all and would be truly wicked and damnable sins.
These two sayings, therefore, are true: "Good works do not make a good man, but a good man does good works; evil works do not make a wicked man, but a wicked man does evil works"; so that it is always necessary that the "substance" or person itself be good before there can be any good works, and that good works follow and proceed from the good person, as Christ also says, "A corrupt tree does not bring forth good fruit, a good tree does not bring forth evil fruit." [Matt. 7:18] It is clear that the fruits do not bear the tree, nor does the tree grow on the fruits, but, on the contrary, the trees bear the fruits and the fruits grow on the trees. As it is necessary, therefore, that the trees must exist before their fruits, and the fruits do not make trees either good or corrupt, but rather as the trees are so are the fruits they bear; so the person of a man must needs first be good or wicked before he does a good or a wicked work, and his works do not make him good or wicked, but he himself makes his works either good or wicked.
[Sidenote: Illustrations]
Illustrations of the same truth can be seen in all trades, A good or a bad house does not make a good or a bad builder, but a good or a bad builder makes a bad or a good house. And in general, the work never makes the workman like itself, but the workman makes the work like himself. So it is also with the works of man: as the man is, whether believer or unbeliever, so also is his work—good, if it was done in faith; wicked, if it was done in unbelief. But the converse is not true, that the work makes the man either a believer or an unbeliever. For as works do not make a man a believer, so also they do not make him righteous. But as faith makes a man a believer and righteous, so faith also does good works. Since, then, works justify no one, and a man must be righteous before he does a good work, it is very evident that it is faith alone which, because of the pure mercy of God through Christ and in His Word, worthily and sufficiently justifies and saves the person, and a Christian man has no need of any work or of any law in order to be saved, since through faith he is free from every law and does all that he does out of pure liberty and freely, seeking neither benefit nor salvation, since he already abounds in all things and is saved through the grace of God because of his faith, and now seeks only to please God.
[Sidenote: Works Neither Save nor Damn]