Preface to the Letter of St. Paul to the Romans by Martin Luther, 1483-1546 (5/7)
Next St. Paul makes a digression, a pleasant little side-trip, and relates where both sin and justice, death and life come from. He opposes these two: Adam and Christ. What he wants to say is that Christ, a second Adam, had to come in order to make us heirs of his justice through a new spiritual birth in faith, just as the old Adam made us heirs of sin through the old fleshy birth.
St. Paul proves, by this reasoning, that a person cannot help himself by his works to get from sin to justice any more than he can prevent his own physical birth. St. Paul also proves that the divine law, which should have been well-suited, if anything was, for helping people to obtain justice, not only was no help at all when it did come, but it even increased sin. Evil human nature, consequently, becomes more hostile to it; the more the law forbids it to indulge its own desires, the more it wants to. Thus the law makes Christ all the more necessary and demands more grace to help human nature.
In chapter 6, St. Paul takes up the special work of faith, the struggle which the spirit wages against the flesh to kill off those sins and desires that remain after a person has been made just. He teaches us that faith doesn’t so free us from sin that we can be idle, lazy and self-assured, as though there were no more sin in us. Sin is there, but, because of faith that struggles against it, God does not reckon sin as deserving damnation. Therefore we have in our own selves a lifetime of work cut out for us; we have to tame our body, kill its lusts, force its members to obey the spirit and not the lusts. We must do this so that we may conform to the death and resurrection of Christ and complete our Baptism, which signifies a death to sin and a new life of grace. Our aim is to be completely clean from sin and then to rise bodily with Christ and live forever.
St. Paul says that we can accomplish all this because we are in grace and not in the law. He explains that to be “outside the law” is not the same as having no law and being able to do what you please. No, being “under the law” means living without grace, surrounded by the works of the law. Then surely sin reigns by means of the law, since no one is naturally well-disposed toward the law. That very condition, however, is the greatest sin. But grace makes the law lovable to us, so there is then no sin any more, and the law is no longer against us but one with us.
This is true freedom from sin and from the law; St. Paul writes about this for the rest of the chapter. He says it is a freedom only to do good with eagerness and to live a good life without the coercion of the law. This freedom is, therefore, a spiritual freedom which does not suspend the law but which supplies what the law demands, namely eagerness and love. These silence the law so that it has no further cause to drive people on and make demands of them. It’s as though you owed something to a moneylender and couldn’t pay him. You could be rid of him in one of two ways: either he would take nothing from you and would tear up his account book, or a pious man would pay for you and give you what you needed to satisfy your debt. That’s exactly how Christ freed us from the law. Therefore our freedom is not a wild, fleshy freedom that has no obligation to do anything. On the contrary, it is a freedom that does a great deal, indeed everything, yet is free of the law’s demands and debts.
In chapter 7, St. Paul confirms the foregoing by an analogy drawn from married life. When a man dies, the wife is free; the one is free and clear of the other. It is not the case that the woman may not or should not marry another man; rather she is now for the first time free to marry someone else. She could not do this before she was free of her first husband. In the same way, our conscience is bound to the law so long as our condition is that of the sinful old man. But when the old man is killed by the spirit, then the conscience is free, and conscience and law are quit of each other. Not that conscience should now do nothing; rather, it should now for the first time truly cling to its second husband, Christ, and bring forth the fruit of life.
Next St. Paul sketches further the nature of sin and the law. It is the law that makes sin really active and powerful, because the old man gets more and more hostile to the law since he can’t pay the debt demanded by the law. Sin is his very nature; of himself he can’t do otherwise. And so the law is his death and torture. Now the law is not itself evil; it is our evil nature that cannot tolerate that the good law should demand good from it. It’s like the case of a sick person, who cannot tolerate that you demand that he run and jump around and do other things that a healthy person does.