2 Corinthians 11:10 asserts Paul's truthfulness in Christ — this doxology in verse 31 grounds that claim in God's knowledge.

In 2 Corinthians 1:23, Paul calls God as witness to his integrity—the same appeal to divine witness he uses here.

In 2 Corinthians 1:3, Paul blesses the God and Father of our Lord Jesus Christ—the same title he invokes as witness here.

2 Corinthians 12:19 asserts Paul speaks before God in Christ — a parallel appeal to God as witness to his motives and honesty.

2 Corinthians 1:18 invokes God's faithfulness to affirm Paul's sincere message — a direct thematic parallel to his oath here.

1 Peter 1:3 begins with 'Blessed be the God and Father of our Lord Jesus Christ,' exactly the same doxological formula used here.

1 Thessalonians 2:5 declares 'God is witness,' directly parallel to Paul's claim that God knows he is not lying.

Colossians 1:3 gives thanks to 'God, the Father of our Lord Jesus Christ,' nearly identical to the phrasing in Paul's oath.

Ephesians 1:3 opens with the exact title 'God and Father of our Lord Jesus Christ' and a blessing, mirroring the doxology here.

Romans 9:5 declares Christ 'who is God over all, blessed forever' — a parallel doxology with the same phrase, now applied to Christ.

Romans 9:1 uses the identical emphatic 'I am not lying' and appeals to conscience as witness, reinforcing Paul's oath.

Romans 1:25 also calls God 'blessed forever!' — Paul uses the same doxology in a different argument, reinforcing the ascription.

Romans 1:9 has Paul calling God as his witness in serving the gospel—directly parallel to invoking God as witness to his truthfulness here.

Psalm 41:13 concludes with 'Blessed be the LORD... from everlasting to everlasting' — the exact doxological formula Paul uses here.

Galatians 1:20 contains the identical oath 'I assure you before God that I am not lying' — nearly the same phrase and purpose.

Job 16:19 has Job appealing to his witness in heaven, claiming innocence — Paul uses the same divine witness to affirm truth.

In 1 Timothy 2:7, Paul uses the same emphatic phrase 'I am not lying' to defend his apostleship, directly echoing his oath here.

In Judges 11:10, the elders call the LORD as witness to their oath — Paul similarly appeals to God as his witness here.