Romans 3:27 — Where is boasting then? It is excluded. By what law? of works? Nay: but by the law of faith.
If we could be saved by works, we would have reason to boast. For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: not of works, lest any man should boast (Ephesians 2:8-9).
Excluded = shut out, no room
Law (in this verse) = principle of procedure. By what sort of principle has boasting been excluded?
The law of faith = (The "the" should not be there.) again, a principle. Justification is by the procedure of faith, not the procedure of works. And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then is it no more grace: otherwise work is no more work (Romans 11:6).