Contradiction with Proverbs 28:26
This verse suggests that trusting in one's own heart is foolish, whereas Psalms 49:3 emphasizes wisdom and understanding from the heart.
Proverbs 28:26: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
Contradiction with Jeremiah 17:9
This verse describes the heart as deceitful, in contrast to the understanding and wisdom from the heart mentioned in Psalms 49:3.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with Mark 7:21-22
These verses refer to evil thoughts coming from within the heart, whereas Psalms 49:3 talks about the heart bringing forth wisdom.
Mark 7:21-22: Thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness: [covetousness...: Gr. covetousnesses, wickednesses]