Contradiction with Exodus 20:14
Contradicts the implied condoning of polygamy and concubinage as it commands not to commit adultery.
Exodus 20:14: Thou shalt not commit adultery.
Contradiction with Matthew 5:28
Contradicts by emphasizing that even looking at a woman to lust after her is committing adultery in one's heart, opposing the notion of taking another woman.
Matthew 5:28: But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Contradiction with 1 Corinthians 7:2
Advises each man to have his own wife to avoid immorality, contrasting with the taking of another woman for comfort.
1 Corinthians 7:2: Nevertheless, [to avoid] fornication, let every man have his own wife, and let every woman have her own husband.