Galatians 3:22 explains that Scripture imprisoned all under sin so the promise to Abraham could come by faith.

Galatians 3:16 identifies the 'seed' as Christ, specifying how the universal blessing through Abraham is fulfilled in one descendant.

In Galatians 3:9, the immediate conclusion: those of faith are blessed along with Abraham — directly tying the promise to believers.

Genesis 18:18 repeats the promise that all nations will be blessed in Abraham, reinforcing the covenantal theme Paul builds on.

Genesis 22:18 adds 'in your seed'—this precise phrase Paul later uses in Galatians 3:16 to point to Christ.

Genesis 26:4 renews the promise to Isaac: 'in your seed all nations will be blessed'—showing the blessing's continuation.

Genesis 28:14 repeats the promise to Jacob: 'in you and your seed'—extending the blessing theme to all patriarchs.

Romans 9:30 says Gentiles attained righteousness by faith—the very fulfillment of the blessing promised to Abraham in this verse.

Acts 15:15-18 quotes Amos to show God's plan to include Gentiles, reinforcing Paul's claim that Scripture foresaw Gentile justification by faith.

Genesis 12:3 is the exact promise Paul quotes: 'in you all families of the earth shall be blessed'—the foundation of his argument.

Romans 3:28-30 explicitly states justification by faith for both Jew and Gentile, echoing the same gospel preached to Abraham.

Romans 3:21 announces righteousness apart from the law—the very 'righteousness by faith' foretold in the Abrahamic promise.

Romans 16:26 describes the gospel made known to all nations — directly echoing the 'all nations' blessing promised to Abraham in this verse.

In Romans 4:6, David's blessing on imputed righteousness reinforces the same justification by faith apart from works promised to Abraham.

Romans 3:30 states God justifies both Jews and Gentiles by faith, directly reinforcing the Gentile justification promised in the Abrahamic blessing.

Romans 3:26 explains God's justice in justifying those who have faith in Jesus—the same justification by faith promised to the Gentiles.

Acts 13:39 proclaims justification by faith in Christ apart from the law, echoing the same gospel of justification Paul sees in the promise.

Acts 3:25 directly quotes the same Abrahamic promise 'in your offspring shall all families be blessed,' confirming the prophecy Paul cites.

Jeremiah 4:2 repeats the phrase 'nations shall bless themselves' from the Abrahamic promise, reinforcing the theme of Gentile blessing.

In Genesis 28:4, Isaac passes Abraham's blessing to Jacob—the same promise of all nations being blessed through Abraham's offspring.

James 2:23 cites Abraham's faith being counted as righteousness — a different aspect of Abraham, but both connect blessing through faith.

Zechariah 8:22 depicts Gentiles seeking the Lord in Jerusalem, aligning with the promise that all nations will be blessed through Abraham.