Contradiction with Hebrews 10:26
Proverbs 1:23 suggests repentance can lead to receiving the outpouring of spirit and understanding, while Hebrews 10:26 warns that after willfully sinning with knowledge, no sacrifice remains, implying no second chance for repentance.
Hebrews 10:26: For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,
Contradiction with Jeremiah 6:30
Proverbs 1:23 offers a chance to receive wisdom after turning at reproof, whereas Jeremiah 6:30 describes people as "reprobate silver," rejected by the Lord, implying no opportunity for correction.
Jeremiah 6:30: Reprobate silver shall [men] call them, because the LORD hath rejected them. [Reprobate...: or, Refuse silver]
Contradiction with Matthew 13:13
Proverbs 1:23 promises understanding following reproof, but Matthew 13:13 refers to the people as seeing and hearing but not understanding, suggesting that some will not receive understanding despite opportunities.
Matthew 13:13: Therefore speak I to them in parables: because they seeing see not; and hearing they hear not, neither do they understand.
Contradiction with Zechariah 7:13
Proverbs 1:23 indicates a response to turning at reproof, yet Zechariah 7:13 suggests that God will not listen when called upon by those who refused His earlier calls, implying a missed opportunity for repentance.
Zechariah 7:13: Therefore it is come to pass, [that] as he cried, and they would not hear; so they cried, and I would not hear, saith the LORD of hosts:
Contradiction with Isaiah 6:9-10
Proverbs 1:23 indicates that people can achieve understanding if they respond to reproof, while Isaiah 6:9-10 describes a deliberate action to prevent understanding and healing of the people, implying no chance for comprehension.
Isaiah 6:9-10: And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not. [indeed, but understand: or, without ceasing, etc: Heb. in hearing, etc]
Contradiction with 1 Samuel 28:6
Proverbs 1:23 states that turning at reproof results in God's response, whereas 1 Samuel 28:6 details how God did not answer Saul when he inquired of Him, implying that reproof may not always result in divine response.
1 Samuel 28:6: And when Saul enquired of the LORD, the LORD answered him not, neither by dreams, nor by Urim, nor by prophets.