Contradiction with 1 Timothy 2:5
Contrasts with the idea of perpetual priesthood by emphasizing one mediator between God and men, which is Christ, perceived not in traditional priesthood terms.
1 Timothy 2:5: For [there is] one God, and one mediator between God and men, the man Christ Jesus;
Contradiction with Hebrews 7:18-19
Suggests the annulment of former commandments due to their weakness, which some interpret as differing from the eternal priesthood concept.
Hebrews 7:18-19: For there is verily a disannulling of the commandment going before for the weakness and unprofitableness thereof.
Contradiction with Numbers 25:13
Describes the covenant of an everlasting priesthood with the line of Phinehas, which some see as conflicting with Melchisedec’s order being everlasting.
Numbers 25:13: And he shall have it, and his seed after him, [even] the covenant of an everlasting priesthood; because he was zealous for his God, and made an atonement for the children of Israel.
Contradiction with Psalm 110:4
While affirming the Melchizedek order, it can seem to contrast with the Aaronic priesthood that was established in Jewish law, potentially indicating a shift in covenant.
Psalm 110:4: The LORD hath sworn, and will not repent, Thou [art] a priest for ever after the order of Melchizedek.