Contradiction with Acts 15:7
While Ephesians 3:4 states the understanding of the mystery of Christ, Acts 15:7 highlights the notion that revelation was given through Peter, suggesting different channels of understanding.
Acts 15:7: And when there had been much disputing, Peter rose up, and said unto them, Men [and] brethren, ye know how that a good while ago God made choice among us, that the Gentiles by my mouth should hear the word of the gospel, and believe.
Contradiction with 1 Corinthians 2:14
Ephesians 3:4 presumes the understanding of Christ's mystery, whereas 1 Corinthians 2:14 states that a natural man cannot discern spiritual truths, indicating a potential contradiction in comprehension.
1 Corinthians 2:14: But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know [them], because they are spiritually discerned.
Contradiction with Romans 16:25
Ephesians 3:4 speaks of understanding a revealed mystery, while Romans 16:25 suggests the mystery was kept secret for long ages, implying limited access previously.
Romans 16:25: Now to him that is of power to stablish you according to my gospel, and the preaching of Jesus Christ, according to the revelation of the mystery, which was kept secret since the world began,
Contradiction with Colossians 1:26
While Ephesians 3:4 discusses a revelation, Colossians 1:26 refers to it being hidden for ages, representing differing timelines of understanding.
Colossians 1:26: [Even] the mystery which hath been hid from ages and from generations, but now is made manifest to his saints: