Romans 10:5 vs Galatians 3:12: Law Faith?
How does Romans 10:5 connect with Galatians 3:12 on law and faith?

Setting the Stage: One Quotation, Two Letters

- Both Romans 10:5 and Galatians 3:12 cite Leviticus 18:5.

- Paul lifts the same line to address the same issue: how a person is declared righteous before God.


Romans 10:5—The Law’s Impossible Standard

“ For concerning the righteousness that is by the law, Moses writes: ‘The man who does these things will live by them.’ ”

- “Righteousness that is by the law” = a standing with God based on perfect performance.

- “Will live” points to covenant life, blessed fellowship, even eternal life—but only if every command is kept (cf. Deuteronomy 27:26; James 2:10).

- Paul is setting up a contrast: law-righteousness requires flawless doing; the next verses (10:6-9) present faith-righteousness that receives Christ.


Galatians 3:12—The Law Is Not of Faith

“The law, however, is not based on faith; on the contrary, ‘The man who does these things will live by them.’ ”

- In Galatians the same citation exposes the futility of mixing law-keeping with faith (cf. Galatians 3:3).

- Paul’s logic:

• The law demands doing, not trusting.

• Therefore, relying on law nullifies grace (Galatians 5:4).

- He immediately contrasts this with “The righteous will live by faith” (Galatians 3:11; Habakkuk 2:4).


How the Two Passages Interlock

1. Same Old Testament text, same apostolic purpose—showing the law’s role as tutor, not savior (Galatians 3:24).

2. Romans targets Israel’s attempt to “establish their own righteousness” (Romans 10:3); Galatians warns Gentile believers tempted to add works.

3. Together they teach:

• Law exposes sin (Romans 3:20).

• Law sets an unreachable bar (Leviticus 18:5 quoted).

• Faith in Christ meets that bar on our behalf (Romans 10:4; Galatians 3:13).


A Glimpse of the Gospel Right Here

- Christ is “the end of the law for righteousness to everyone who believes” (Romans 10:4).

- He “redeemed us from the curse of the law by becoming a curse for us” (Galatians 3:13).

- Thus the demand “do and live” is fulfilled in Him; the invitation now is “believe and live” (John 3:16).


Implications for Today’s Believer

• Rest—your standing is secured by Christ’s obedience, not yours.

• Obey—from gratitude, not to earn righteousness (Ephesians 2:8-10).

• Guard the gospel—any blend of law-keeping plus faith empties the cross of its power (Galatians 2:21).

How can we apply the understanding of law righteousness in our daily lives?
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