But that no man, is justified by the law. He again argues from a comparison of contradictory schemes. "If we are justified by faith, it is not by the law: but we are justified by faith therefore it is not by the law." The minor is proved by a passage from Habakkuk, which is also quoted in the Epistle to the Romans. (Habakkuk 2:4; Romans 1:17.) The major is proved by the difference in the methods of justification. The law justifies him who fulfils all its precepts, while faith justifies those who are destitute of the merit of works, and who rely on Christ alone. To be justified by our own merit, and to be justified by the grace of another, are two schemes which cannot be reconciled: one of them must be overturned by the other. Such is the amount of the argument: let us now attend to the separate clauses. The just shall live by faith. As we had occasion to expound this passage where it occurs in the Epistle to the Romans, it will be unnecessary to repeat the exposition of it here. The prophet evidently describes a proud confidence in the flesh as contrasted with true faith. He declares, that "the just shall live;" by which he means, not that they are supported for a short period, and liable to be overwhelmed by an approaching storm; but that they shall continue to live, and that, even amidst the most imminent danger, their life shall be preserved. There is therefore no weight in the scornful reproaches of our adversaries, who allege that the prophet there employs the word Faith in a wider acceptation than Paul does in this passage. By Faith he evidently means the exercise of a calm, steady conscience, relying on God alone; so that Paul's quotation is properly applied.

But that no man is justified - The argument which Paul has been pursuing he proceeds to confirm by an express declaration of the Bible. The argument is this: "It is impossible that a man should be justified by the Law, because God has appointed another way of justification." But there cannot be two ways of obtaining life, and as he has appointed faith as the condition on which people shall live, he has precluded from them the possibility of obtaining salvation in any other mode.
For, The just shall live by faith - This is quoted from Habakkuk 2:4. This passage is also quoted by Paul in Romans 1:17; see it explained in the note on that verse. The sense here is, that life is promised to man only in connection with faith. It is not by the works of the Law that it is done. The condition of life is faith: and he lives who believes. The meaning is not, I apprehend, that the man who is justified by faith shall live, but that life is promised and exists only in connection with faith, and that the just or righteous man obtains it only in this way. Of course it cannot be obtained by the observance of the Law, but must be by some other scheme.

But that no man is justified by the law - By the observance of the law, suppose he had even continued in all things that are written in it to do them, is evident; for the Prophet Habakkuk, Habakkuk 2:4, has declared, under the direct influence of the Spirit of God, The just shall live by faith; or, he who is just by faith shall live: therefore this justification comes not by works, or the observance of the law, but by faith.

(12) But that no man is justified by the law in the sight of God, [it is] evident: for, The just shall live by faith.
(12) The second proposition with the conclusion: but no man fulfils the Law. The conclusion therefore is, that no man is justified by the Law, or, that all are accursed who seek righteousness by the works of the Law. And there is added also this manner of proof of the second proposition, that is, righteousness and life are attributed to faith. Therefore no man fulfils the Law.

But that no man is justified,.... There are some that are justified, as all God's elect are, in his own mind and will from eternity; which will of his to justify them, upon the righteousness of his Son, undertook by him to bring in, is their justification in the court of heaven; and all that believe in Christ are openly and manifestly justified in the court of conscience, under the testimony of the Spirit of God: but no one is justified
by the law; it is in the Greek text, "in the law"; there were many justified before the law was given, as Noah, Job, Abraham, and all the Ante-Mosaic believers; and there were many justified "in", or under the legal dispensation; but none of them were justified by their obedience to the law, but by the righteousness they believed they had in the Lord: especially no man is justified
in the sight of God; who sees the heart, knows the spring of actions, and whose judgment is according to truth; that is, by the law and the deeds of it, however they may before men:
it is evident; it is a clear case, out of all dispute, as appears from Habakkuk 2:4
for the just shall live by faith; which may be read either, "the just by faith, shall live": that is, the man who is just by faith, or justified by faith, not by it as a principle or act, or as the cause or matter of his justification, but by the object of his faith, Christ and his righteousness apprehended by faith, and so not just or justified by works; he shall live a life of justification, through that righteousness his faith receives; he shall live comfortably, with much peace and joy in the Holy Ghost, as the result of his being justified by faith; and shall live eternally, and never die the second death: or the "just shall live by faith"; he that is righteous, not by his own works, but by the obedience of Christ, shall live not upon faith, but by it on Christ, and his righteousness, which is revealed from faith to faith; and this makes it a clear point, that he is not justified by the law, for if he was, he would not live by faith on Christ, but in and by the deeds of the law.

by the law--Greek, "IN the law." Both in and by are included. The syllogism in this verse and Galatians 3:12, is, according to Scripture, "The just shall live by faith." But the law is not of faith, but of doing, or works (that is, does not make faith, but works, the conditional ground of justifying). Therefore "in," or "by the law, no man is justified before God" (whatever the case may be before men, Romans 4:2) --not even if he could, which he cannot, keep the law, because the Scripture element and conditional mean of justification is faith.
The just shall live by faith-- (Romans 1:17; Habakkuk 2:4). Not as BENGEL and ALFORD, "He who is just by faith shall live." The Greek supports English Version. Also the contrast is between "live by faith" (namely, as the ground and source of his justification), and "live in them," namely, in his doings or works (Galatians 3:12), as the conditional element wherein he is justified.

But that none is justified by his obedience to the law in the sight of God - Whatever may be done in the sight of man, is farther evident from the words of Habakkuk, The just shall live by faith - That is, the man who is accounted just or righteous before God, shall continue in a state of acceptance, life, and salvation, by faith. This is the way God hath chosen. Habakkuk 2:4.