In Romans 3:20-22, Paul explains that no one is justified by works of the law but through faith, providing the basis for 3:28's claim.

In Romans 3:26, Paul states that God justifies those who have faith in Jesus, directly reinforcing the justification by faith apart from works.

Romans 3:30 expands the same truth: God justifies both Jews and Gentiles by faith, not by works of the law.

In Romans 4:5, Paul expands: the one who does not work but believes has his faith counted as righteousness — illustrating justification apart from works.

In Romans 5:1, Paul draws the consequence: having been justified by faith, we have peace with God — showing the result of faith-based justification.

In Romans 8:3, Paul explains why law couldn't justify — weakened by flesh — and how God condemned sin in Christ, grounding faith justification.

Romans 11:6 succinctly states that if by grace, it is no longer by works — a clear restatement of the same principle.

In Acts 13:39, Paul states everyone who believes is freed from what the law could not free — a direct parallel to justification apart from works.

In Galatians 2:16, Paul argues that a person is justified by faith in Christ, not by works of the law — nearly identical to Romans 3:28.

Galatians 3:8 cites the promise to Abraham that Gentiles would be justified by faith, providing OT precedent for justification apart from law.

Galatians 3:11-14 underscores that no one is justified by the law and that Christ's redemption brings the blessing of Abraham to Gentiles through faith.

Galatians 3:24 describes the law as a guardian leading to Christ, so that justification by faith becomes the goal — directly supporting the same teaching.

Philippians 3:9 contrasts righteousness from law with righteousness through faith, echoing the same exclusion of works for justification.

Titus 3:7 states that being justified by grace makes us heirs, reinforcing that salvation is not by works of righteousness we have done.

Ephesians 2:9 explicitly says salvation is not from works, so that no one can boast — directly aligning with justification by faith.

Titus 3:7 reaffirms that justification by grace makes us heirs, not by our own works — a parallel reinforcement of the same doctrine.