Galatians 3:19-22

Why, then, have the law at all? The law was added to the situation to define what transgressions are, until the seed should come, to whom the promise, which still holds good, had been made. That law was enacted by angels and came by means of a mediator. Now there can be no such thing as a mediator of one; and God is one. Is, then, the law contrary to the promises of God? God forbid! If a law which was able to give life had been given, then indeed right relationship with God would have come through the law. But the words of scripture shut up everything under the power of sin, for the very reason that the promise should be given to those who believe through faith in Jesus Christ.

This is one of the most difficult passages Paul ever wrote, so difficult that there are almost three hundred different interpretations of it! Let us begin by remembering that Paul is still seeking to demonstrate the superiority of the way of grace and faith over the way of law. He makes four points about the law.

(i) Why introduce the law at all? It was introduced, as Paul puts it, for the sake of transgressions. What he means is that where there is no law there is no sin. A man cannot be condemned for doing wrong if he did not know that it was wrong. Therefore the function of the law is to define sin. But, while the law can and does define sin, it can do nothing whatever to cure it. It is like a doctor who is an expert in diagnosis but who is helpless to clear up the trouble which he has diagnosed.

(ii) The law was not given direct by God. In the old story in Exodus 20:1-26 it was given direct to Moses; but in the days of Paul the Rabbis were so impressed by the holiness and the remoteness of God that they believed that it was quite impossible for him to deal direct with men; therefore they introduced the idea that the law was given first to angels and then by the angels to Moses (compare Acts 7:53; Hebrews 2:2). Here Paul is using the Rabbinic thoughts of his time. The law is at a double remove from God, given first to angels, and then to a mediator; and the mediator is Moses. Compared with the promise, which was given directly by God, the law is a second-hand thing.

(iii) Now we come to that extraordinarily difficult sentence--"There can be no such thing as a mediator of one; and God is one." What is Paul's thought here? An agreement founded on law always involves two people, the person who gives it and the person who accepts it; and it depends on both sides keeping it. That was the position of those who put their trust in the law. Break the law and the whole agreement was undone. But a promise depends on only one person. The way of grace depends entirely on God; it is his promise. Man can do nothing to alter that. He may sin, but the love and the grace of God stand unchanged. To Paul it was the weakness of the law that it depended on two persons, the law-giver and the law-keeper; and man had wrecked it. Grace is entirely of God; man can not undo it; and surely it is better to depend on the grace of the unchanging God than on the hopeless efforts of helpless men.

(iv) Is, then, the law antithetic to grace? Logically Paul should answer, "Yes" but, in fact, he answers, "No." He says that scripture has shut up everyone under sin. He is thinking of Deuteronomy 27:26 where it is said that everyone who does not conform to the words of the law is cursed. In fact, that means everyone, because no one ever has, or ever will, perfectly keep the law. What, then, is the consequence of the law? It is to drive everyone to seek grace, because it has proved man's helplessness. This is a thought that Paul will soon develop in the next chapter; here he only suggests it. Let a man try to get into a right relationship with God via the law. He will find he cannot do it and will be driven to see that all he can do is to accept the wonderful grace of which Jesus Christ came to tell men.

THE COMING OF FAITH (Galatians 3:23-29)