To declare, I say, at this time his righteousness: that he might be just, and the justifier of him which believeth in Jesus. To declare, I say, at this time - To manifest now, by the dispensation of the Gospel, his righteousness, his infinite mercy; and to manifest it in such a way, that he might still appear to be the just God, and yet the justifier, the pardoner, of him who believeth in Jesus. Here we learn that God designed to give the most evident displays both of his justice and mercy. Of his justice, in requiring a sacrifice, and absolutely refusing to give salvation to a lost world in any other way; and of his mercy, in providing The sacrifice which his justice required. Thus, because Jesus was an atonement, a ransom price, for the sin of the world, therefore God can, consistently with his justice, pardon every soul that believeth in Jesus. This is the full discovery of God's righteousness, of his wonderful method of magnifying his law and making it honorable; of showing the infinite purity of his justice, and of saving a lost world.
Hitherto, from the ninth verse, the apostle had gone on without interruption, proving that Jew and Gentile were in a state of guilt and condemnation, and that they could be saved only by the redemption that is in Christ Jesus. The Jew, finding his boasted privileges all at stake, interrupts him, and asks: -