Contradiction with Jeremiah 17:9
This verse suggests that the heart is deceitful above all things, which contrasts with the notion of a good man having a good heart to bring forth good things as in Matthew 12:35.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with Romans 3:10-12
These verses assert that no one is righteous or does good, contradicting the implication in Matthew 12:35 that a good man can exist.
Romans 3:10-12: As it is written, There is none righteous, no, not one:
Contradiction with Isaiah 64:6
This verse describes all our righteous acts as filthy rags, challenging the idea in Matthew 12:35 that a good man can produce truly good things.
Isaiah 64:6: But we are all as an unclean [thing], and all our righteousnesses [are] as filthy rags; and we all do fade as a leaf; and our iniquities, like the wind, have taken us away.
Contradiction with Mark 10:18
Jesus states that no one is good except God alone, which contrasts with Matthew 12:35 where a good man is implied.
Mark 10:18: And Jesus said unto him, Why callest thou me good? [there is] none good but one, [that is], God.
Contradiction with Ecclesiastes 7:20
This verse claims there is no one on earth who is righteous, undermining the notion from Matthew 12:35 of a good man bringing forth good things.
Ecclesiastes 7:20: For [there is] not a just man upon earth, that doeth good, and sinneth not.