Contradiction with Leviticus 11:7-8
These verses outline dietary laws prohibiting the consumption of pork, which contradicts the perspective in Mark 7:14 that suggests that external things do not defile a person.
Leviticus 11:7-8: And the swine, though he divide the hoof, and be clovenfooted, yet he cheweth not the cud; he [is] unclean to you.
Contradiction with Deuteronomy 14:3
This verse commands not to eat any abominable thing, contrasting with Mark 7:14 which implies that external consumption does not defile a person.
Deuteronomy 14:3: Thou shalt not eat any abominable thing.
Contradiction with Acts 10:14
Peter insists he has never eaten anything impure or unclean, reflecting Old Testament dietary laws, whereas Mark 7:14 suggests food does not defile.
Acts 10:14: But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.
Contradiction with Romans 14:14
Though Paul expresses belief that no food is unclean, he acknowledges that some may consider it so, showing tension with the more definitive statement in Mark 7:14.
Romans 14:14: I know, and am persuaded by the Lord Jesus, that [there is] nothing unclean of itself: but to him that esteemeth any thing to be unclean, to him [it is] unclean. [unclean: Gr. common]