Contradiction with Ecclesiastes 1:18
While Proverbs 4:6 emphasizes the positive aspect of wisdom and understanding, Ecclesiastes 1:18 suggests that wisdom can bring grief and sorrow.
Ecclesiastes 1:18: For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Contradiction with 1 Corinthians 1:19-20
Proverbs 4:6 speaks of the benefits of wisdom, but these verses in Corinthians indicate that God will destroy the wisdom of the wise, criticizing its value.
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 Ecclesiastes 12:12
Proverbs 4:6 encourages retention and adherence to wisdom, but Ecclesiastes 12:12 warns that much study and wisdom can be wearisome.
Ecclesiastes 12:12: And further, by these, my son, be admonished: of making many books [there is] no end; and much study [is] a weariness of the flesh. [study: or, reading]
Contradiction with 1 Corinthians 3:19-20
These verses state that the wisdom of this world is foolishness with God, which contrasts with Proverbs 4:6 that promotes wisdom.
1 Corinthians 3:19-20: For the wisdom of this world is foolishness with God. For it is written, He taketh the wise in their own craftiness.