Contradiction with Isaiah 29:13
Isaiah 29:13 mentions people honoring with lips but having hearts far from God, which contradicts Isaiah 48:1 where people call themselves by God's name yet act without truth or righteousness.
Isaiah 29:13: Wherefore the Lord said, Forasmuch as this people draw near [me] with their mouth, and with their lips do honour me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:
Contradiction with Jeremiah 7:9-10
These verses talk about people committing sins but then coming to God's house as if they are innocent, contrasting with Isaiah 48:1 where people swear by God's name.
Jeremiah 7:9-10: Will ye steal, murder, and commit adultery, and swear falsely, and burn incense unto Baal, and walk after other gods whom ye know not;
Contradiction with Matthew 15:8
This verse expresses a sentiment that people honor God with lips but their hearts are distant, contrasting with Isaiah 48:1 where people use God's name without sincerity.
Matthew 15:8: This people draweth nigh unto me with their mouth, and honoureth me with [their] lips; but their heart is far from me.
Contradiction with Ezekiel 33:31
In this verse, people hear God's words but do not do them, which contradicts Isaiah 48:1 as people are identified by God's name but are not truthful or righteous.
Ezekiel 33:31: And they come unto thee as the people cometh, and they sit before thee [as] my people, and they hear thy words, but they will not do them: for with their mouth they shew much love, [but] their heart goeth after their covetousness. [as the...: Heb. according to the coming of the people] [they sit...: or, my people sit before thee] [they shew...: Heb. they make loves, or, jests]