Ephesians 1:9 introduces the mystery of God's will being made known, which Paul now says he has insight into.

Ephesians 5:32 calls the union of Christ and the church a profound mystery, directly related to the mystery of Christ Paul has insight into.

Ephesians 6:19 mentions the mystery of the gospel that Paul proclaims, the same mystery he claims insight into here.

1 Corinthians 2:7 describes a secret, hidden wisdom of God — exactly the mystery Paul says he has insight into here.

1 Corinthians 4:1 identifies Paul as a steward of God's mysteries, explaining his role in handling the very mystery he discusses in Ephesians.

Colossians 2:2 explicitly states that the mystery is Christ himself, directly echoing the content of Paul's insight in Ephesians.

1 Timothy 3:16 expands the mystery to include Christ's incarnation, vindication, and glory, providing a fuller definition of what Paul understands.

Romans 11:25 reveals a specific mystery about Israel's hardening and Gentile inclusion, which is part of the broader mystery of Christ Paul references.

1 Corinthians 2:16 states believers have the mind of Christ, directly grounding Paul's insight into the mystery mentioned here.

In Matthew 13:11, Jesus says the secrets of the kingdom are given to disciples, paralleling Paul's claim to insight into the mystery of Christ here.

Luke 2:11 announces Jesus as Savior, Christ, and Lord—the very identity that constitutes the mystery Paul refers to.

Luke 8:10 shows that the secrets (mysteries) of the kingdom are given to disciples, paralleling Paul's claim to insight into the mystery of Christ.

1 Corinthians 13:2 acknowledges understanding all mysteries but warns it is worthless without love, adding a condition to Paul's claim of insight here.

Colossians 4:3 reveals Paul's desire to proclaim the mystery of Christ, showing the practical outworking of his insight.

1 Timothy 3:9 speaks of holding the mystery of the faith, which is the same mystery Paul claims insight into—the faith's core revelation.