Strong H5528 סָכַל sâkal · be foolish

2 Samuel

1. 2 Samuel 15:31
   And one told David, saying, Ahithophel is among the conspirators with Absalom. And David said, O Lord, I pray thee, turn the counsel of Ahithophel into foolishness.
2. 2 Samuel 24:10
   And David’s heart smote him after that he had numbered the people. And David said unto the Lord, I have sinned greatly in that I have done: and now, I beseech thee, O Lord, take away the iniquity of thy servant; for I have done very foolishly.