In Romans 4:2, Abraham's works-based boasting is invalid before God — contrasting with Paul's boasting in Christ for his ministry here.

2 Corinthians 2:14-16 describes Paul's ministry as a fragrance of Christ — the same boasting in God's work through him found here.

2 Corinthians 3:4-6 grounds Paul's confidence in God's sufficiency — exactly the basis for his boasting in Christ here.

Hebrews 5:1 uses the same phrase 'things pertaining to God' for the high priest, linking Paul's priestly ministry and boast to the OT priesthood.

In 2 Corinthians 4:5, Paul shows his glorying in Christ by preaching not himself but Christ, revealing the nature of his boast.

1 Corinthians 9:16 says Paul has no boast in preaching because of compulsion—contrasting with his boast in Christ here, showing humility.

In 2 Corinthians 11:16-30, Paul boasts of his sufferings—a different basis than boasting in Christ, yet both are part of his apostolic ministry.

1 Corinthians 1:29 says no flesh should boast before God—complementing Paul's boast in Christ as the proper response.

2 Corinthians 12:1 continues Paul's boasting theme, now about visions—highlighting that his boast is always in what God does.

In 2 Corinthians 12:11-21, Paul boasts of his signs and love—reinforcing that his boast is not self-centered but in Christ's work through him.

2 Corinthians 7:4 shows Paul boasting about the Corinthians, paralleling his boast in Christ here. Both express apostolic pride in God's work.