Contradiction with Genesis 11:9
It shows the division in languages, which contradicts the unity stated in Ephesians 4:4.
Genesis 11:9: Therefore is the name of it called Babel; because the LORD did there confound the language of all the earth: and from thence did the LORD scatter them abroad upon the face of all the earth. [Babel: that is, Confusion]
Contradiction with Matthew 10:34-36
Jesus mentions bringing division, not peace, contrasting the unity theme of Ephesians 4:4.
Matthew 10:34-36: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with 1 Corinthians 12:12-14
Highlights diversity in one body, contrasting with the singularity in Ephesians 4:4.
1 Corinthians 12:12-14: For as the body is one, and hath many members, and all the members of that one body, being many, are one body: so also [is] Christ.
Contradiction with James 4:1
Refers to conflicts among believers, opposing the unity described in Ephesians 4:4.
James 4:1: From whence [come] wars and fightings among you? [come they] not hence, [even] of your lusts that war in your members? [fightings: or, brawlings] [lusts: or, pleasures]
Contradiction with Acts 15:39
Describes a disagreement between Paul and Barnabas, showing disunity unlike Ephesians 4:4.
Acts 15:39: And the contention was so sharp between them, that they departed asunder one from the other: and so Barnabas took Mark, and sailed unto Cyprus;
Contradiction with 1 Kings 12:16
Israel's kingdom is divided against itself, opposing the unity theme of Ephesians 4:4.
1 Kings 12:16: So when all Israel saw that the king hearkened not unto them, the people answered the king, saying, What portion have we in David? neither [have we] inheritance in the son of Jesse: to your tents, O Israel: now see to thine own house, David. So Israel departed unto their tents.
Contradiction with John 6:66
Many disciples leaving Jesus signifies division, in contrast to Ephesians 4:4's call for unity.
John 6:66: From that [time] many of his disciples went back, and walked no more with him.