Contradiction with Proverbs 3:5
Trusting in the Lord instead of relying on one's own understanding contradicts the concept of personal inspiration mentioned in Job 32:8.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Jeremiah 17:9
The description of the heart as deceitful contrasts with the suggestion in Job 32:8 that the spirit in man gives understanding.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with 1 Corinthians 1:19-20
God's plan to destroy the wisdom of the wise opposes the idea of wisdom coming from man's spirit as seen in Job 32:8.
1 Corinthians 1:19-20: For it is written, I will destroy the wisdom of the wise, and will bring to nothing the understanding of the prudent.
Contradiction with Proverbs 28:26
Trusting in one's own heart is seen as foolish here, conflicting with the notion in Job 32:8 of inner understanding.
Proverbs 28:26: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
Contradiction with Isaiah 55:8-9
God's ways and thoughts being higher than man's contradicts the implied sufficiency of human understanding in Job 32:8.
Isaiah 55:8-9: For my thoughts [are] not your thoughts, neither [are] your ways my ways, saith the LORD.