4 Having proved it by argument, he now proves by example, and such example as must have greater weight with the Jews than any other.

1. That justification is by faith:
2. That it is free for the gentiles.

4:1 That our father Abraham hath found - Acceptance with God.According to the flesh - That is, by works.

4:2 The meaning is, If Abraham had been justified by works, he would have had room to glory. But he had not room to glory. Therefore he was not justified by works.

4:3 Abraham believed God - That promise of God concerning the numerousness of his seed, Gen 15:5, Gen 15:7; but especially the promise concerning Christ, Gen 12:3, through whom all nations should be blessed. And it was imputed to him for righteousness - God accepted him as if he had been altogether righteous. Gen 15:6.

4:4 Now to him that worketh - All that the law requires, the reward is no favour, but an absolute debt.These two examples are selected and applied with the utmost judgment and propriety. Abraham was the most illustrious pattern of piety among the Jewish patriarchs. David was the most eminent of their kings. If then neither of these was justified by his own obedience, if they both obtained acceptance with God, not as upright beings who might claim it, but as sinful creatures who must implore it, the consequence is glaring It is such as must strike every attentive understanding, and must affect every individual person.

4:5 But to him that worketh not - It being impossible he should without faith. But believeth, his faith is imputed to him for righteousness - Therefore God's affirming of Abraham, that faith was imputed to him for righteousness, plainly shows that he worked not; or, in other words, that he was not justified by works, but by faith only. Hence we see plainly how groundless that opinion is, that holiness or sanctification is previous to our justification. For the sinner, being first convinced of his sin and danger by the Spirit of God, stands trembling before the awful tribunal of divine justice ; and has nothing to plead, but his own guilt, and the merits of a Mediator. Christ here interposes; justice is satisfied; the sin is remitted, and pardon is applied to the soul, by a divine faith wrought by the Holy Ghost, who then begins the great work of inward sanctification. Thus God justifies the ungodly, and yet remains just, and true to all his attributes! But let none hence presume to "continue in sin;" for to the impenitent, God "is a consuming fire." On him that justifieth the ungodly - If a man could possibly be made holy before he was justified,it would entirely set his justification aside; seeing he could not, in the very nature of the thing, be justified if he were not, at that very time, ungodly.

4:6 So David also - David is fitly introduced after Abraham, because be also received and delivered down the promise. Affirmeth - A man is justified by faith alone, and not by works. Without works - That is, without regard to any former good works supposed to have been done by him.

4:7 Happy are they whose sins are covered - With the veil of divine mercy. If there be indeed such a thing as happiness on earth, it is the portion of that man whose iniquities are forgiven, and who enjoys the manifestation of that pardon. Well may he endure all the afflictions of life with cheerfulness, and look upon death with comfort. O let us not contend against it, but earnestly pray that this happiness may be ours! Psa 32:1-2.

4:9 This happiness - Mentioned by Abraham and David.On the circumcision - Those that are circumcised only.Faith was imputed to Abraham for righteousness - This is fully consistent with our being justified, that is, pardoned and accepted by God upon our believing, for the sake of what Christ hath done and suffered. For though this, and this alone, be the meritorious cause of our acceptance with God, yet faith may be said to be "imputed to us for righteousness," as it is the sole condition of our acceptance. We may observe here, forgiveness, not imputing sin, and imputing righteousness, are all one.

4:10 Not in circumcision - Not after he was circumcised; for he was justified before Ishmael was born, Gen 15:1-21; but he was not circumcised till Ishmael was thirteen years old, Gen 17:25.

4:11 And - After he was justified. He received the sign of circumcision - Circumcision, which was a sign or token of his being in covenant with God. A seal - An assurance on God's part, that he accounted him righteous, upon his believing, before he was circumcised. Who believe in uncircumcision - That is, though they are not circumcised.

13 

13:1 The Galileans, whose blood Pilate had mingled with their sacrifices - Some of the followers of Judas Gaulonites. They absolutely refused to own the Roman authority. Pilate surrounded and slew them, while they were worshipping in the temple, at a public feast.

13:3 Ye shall all likewise perish - All ye of Galilee and of Jerusalem shall perish in the very same manner. So the Greek word implies. And so they did. There was a remarkable resemblance between the fate of these Galileans and of the main body of the Jewish nation; the flower of which was slain at Jerusalem by the Roman sword, while they were assembled at one of their great festivals. And many thousands of them perished in the temple itself, and were literally buried under its ruins.

13:6 A man had a fig tree - Either we may understand God the Father by him that had the vineyard , and Christ by him that kept it: or Christ himself is he that hath it, and his ministers they that keep it. Psa 80:8. etc

13:7 Three years - Christ was then in the third year of his ministry.But it may mean only several years; a certain number being put for an uncertain. Why doth it also cumber the ground? - That is, not only bear no fruit itself, but take up the ground of another tree that would.