2 Samuel 16:23

16:23 In those days Ahithophel’s advice was considered as valuable as a prophetic revelation. Both David and Absalom highly regarded the advice of Ahithophel.

2 Samuel 19:19

19:19 He said to the king, “Don’t think badly of me, my lord, and don’t recall the sin of your servant on the day when you, my lord the king, left Jerusalem! Please don’t call it to mind!