'Foolishness' in the Bible

Now someone told David, saying, “Ahithophel is among the conspirators with Absalom.” And David said, “O Lord, I pray, make the counsel of Ahithophel foolishness.”

The crown of the wise is their riches,But the folly of fools is foolishness.

The foolishness of man ruins his way,And his heart rages against the Lord.

Foolishness is bound up in the heart of a child;The rod of discipline will remove it far from him.

I directed my mind to know, to investigate and to seek wisdom and an explanation, and to know the evil of folly and the foolishness of madness.

Dead flies make a perfumer’s oil stink, so a little foolishness is weightier than wisdom and honor.

Therefore the Lord does not take pleasure in their young men,Nor does He have pity on their orphans or their widows;For every one of them is godless and an evildoer,And every mouth is speaking foolishness.In spite of all this, His anger does not turn awayAnd His hand is still stretched out.

Causing the omens of boasters to fail,Making fools out of diviners,Causing wise men to draw backAnd turning their knowledge into foolishness,