Contradiction with Proverbs 3:5
Job 42:1 acknowledges the understanding of God's purposes, while Proverbs advises trusting in the Lord over one's understanding.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Romans 11:33
Job 42:1 indicates Job's acknowledgement of God's omnipotence, whereas Romans highlights the unsearchable nature of God's judgments, implying some things cannot be understood.
Romans 11:33: O the depth of the riches both of the wisdom and knowledge of God! how unsearchable [are] his judgments, and his ways past finding out!
Contradiction with Isaiah 55:8-9
Job 42:1 shows Job understanding God's power and plans, but Isaiah emphasizes the distinctness and incomprehensibility of God's thoughts and ways.
Isaiah 55:8-9: For my thoughts [are] not your thoughts, neither [are] your ways my ways, saith the LORD.
Contradiction with 1 Corinthians 2:16
Job 42:1 suggests comprehension of God's intentions by Job, whereas Corinthians claims no one can know the mind of the Lord.
1 Corinthians 2:16: For who hath known the mind of the Lord, that he may instruct him? But we have the mind of Christ. [may: Gr. shall]