KJV: And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of the LORD thy God, which he commanded thee: for now would the LORD have established thy kingdom upon Israel for ever.
NASB: Samuel said to Saul, "You have acted foolishly; you have not kept the commandment of the LORD your God, which He commanded you, for now the LORD would have established your kingdom over Israel forever.
KJV: Then said Saul, I have sinned: return, my son David: for I will no more do thee harm, because my soul was precious in thine eyes this day: behold, I have played the fool, and have erred exceedingly.
NASB: Then Saul said, "I have sinned. Return, my son David, for I will not harm you again because my life was precious in your sight this day. Behold, I have played the fool and have committed a serious error."
KJV: 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.
NASB: 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."
KJV: 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.
NASB: Now David's heart troubled him after he had numbered the people. So David said to the LORD, "I have sinned greatly in what I have done. But now, O LORD, please take away the iniquity of Your servant, for I have acted very foolishly."
KJV: And David said unto God, I have sinned greatly, because I have done this thing: but now, I beseech thee, do away the iniquity of thy servant; for I have done very foolishly.
NASB: David said to God, "I have sinned greatly, in that I have done this thing. But now, please take away the iniquity of Your servant, for I have done very foolishly."