Contradiction with Matthew 5:17
Isaiah 42:21 speaks of magnifying and making the law honorable, while Matthew 5:17 explains that Jesus did not come to destroy the law, implying a fulfillment and transcendence, not just magnification.
Matthew 5:17: Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.
Contradiction with Romans 10:4
Isaiah 42:21 suggests honoring the law, whereas Romans 10:4 declares Christ as the end of the law for righteousness, potentially contradicting the continued emphasis on the law.
Romans 10:4: For Christ [is] the end of the law for righteousness to every one that believeth.
Contradiction with Galatians 3:13
While Isaiah 42:21 emphasizes making the law honorable, Galatians 3:13 describes Christ as redeeming us from the curse of the law, suggesting a liberation from it.
Galatians 3:13: Christ hath redeemed us from the curse of the law, being made a curse for us: for it is written, Cursed [is] every one that hangeth on a tree:
Contradiction with Colossians 2:14
Isaiah 42:21 implies exalting the law, but Colossians 2:14 speaks of blotting out ordinances, indicating their removal or obsolescence.
Colossians 2:14: Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
Contradiction with Hebrews 8:13
Isaiah 42:21 aims to honor the law, yet Hebrews 8:13 mentions a new covenant, making the first old, pointing toward transformation rather than magnification of the old law.
Hebrews 8:13: In that he saith, A new [covenant], he hath made the first old. Now that which decayeth and waxeth old [is] ready to vanish away.