Romans 3:21

Whom God had set forth to be a propitiation,.... Redemption by Christ is here further explained, by his being "a propitiation": which word may design either Christ the propitiator, the author of peace…

But now - The apostle, having shown the entire failure of all attempts to be justified by the “Law,” whether among Jews or Gentiles, proceeds to state fully the plan of justification by Jesus Christ…

But now the righteousness of God - God's method of saving sinners is now shown, by the Gospel, to be through his own mere mercy, by Christ Jesus; without the law - without any right or claim which…

From all this Paul infers that it is in vain to look for justification by the works of the law, and that it is to be had only by faith, which is the point he has been all along proving, from Rom 1:17,…

The Divine method of holy pardon, alike for all

21. But now i.e. "But as things are, as the fact is."

Here the great argument of Pardon and Salvation begins, to close with the triumphant words of Rom…