Contradiction with Matthew 5:17
Contradicts Acts 21:23 by emphasizing Jesus' fulfillment of the law rather than adherence to traditional rituals.
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 Colossians 2:14
Contradicts Acts 21:23 by describing cancellation of the legal demands, implying freedom from old covenant practices.
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 Galatians 5:1
Contradicts Acts 21:23 by encouraging Christians to stand firm in freedom from the law, opposing the adherence to old customs.
Galatians 5:1: Stand fast therefore in the liberty wherewith Christ hath made us free, and be not entangled again with the yoke of bondage.
Contradiction with Hebrews 8:13
Contradicts Acts 21:23 by declaring the old covenant obsolete, opposing the continuation of old customs.
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.