Romans 2:1 sets the foundation: those who judge others condemn themselves, leading to the logic that the uncircumcised obedient will judge the circumcised lawbreakers.

Isaiah 56:6 describes foreigners who keep the Sabbath and covenant being accepted — prefiguring Paul's logic that uncircumcised who obey are regarded as circumcised.

Isaiah 56:7 promises God will accept their sacrifices — echoing that obedience, not birth, determines acceptance with God.

In Matthew 8:11, Jesus says many Gentiles will feast with the patriarchs — echoing Paul's claim that uncircumcised law-keepers are accepted.

In Matthew 8:12, circumcised subjects are cast out — showing that physical circumcision alone does not guarantee acceptance, reinforcing Paul's argument.

In Acts 10:2-4, Cornelius is a devout, uncircumcised Gentile whose prayers and alms are accepted — directly illustrating the principle of Romans 2:26.

In Acts 10:34, Peter declares God shows no favoritism — the theological basis for accepting uncircumcised law-keepers as circumcised.

In Acts 10:35, God accepts anyone who fears him and does right — exactly the principle that uncircumcised keepers of the law are regarded as circumcised.

In Acts 11:3-18, the church accepts uncircumcised Gentiles after the Spirit falls — confirming Paul's argument that they are counted as circumcised.

In 1 Corinthians 7:19, Paul says keeping God's commands matters, not circumcision — directly parallel to Romans 2:26's logic.

Colossians 2:11 describes spiritual circumcision in Christ, explaining how the uncircumcised who keep the law are regarded as truly circumcised.

Jeremiah 9:25 warns against mere flesh-circumcision—God judges outward religion, reinforcing Paul's point that obedience matters more than physical mark.

In Philippians 3:3, Paul redefines true circumcision as serving God by the Spirit — aligning with the de-emphasis on physical circumcision in Romans 2:26.

In Matthew 15:28, Jesus commends a Canaanite woman's faith — a Gentile accepted without circumcision, illustrating God's impartiality.

In 1 Corinthians 7:18, Paul says not to seek circumcision — reinforcing that uncircumcised status is acceptable, consistent with Romans 2:26.