2 Samuel 15:34

15:34 But you will be able to counter the advice of Ahithophel if you go back to the city and say to Absalom, ‘I will be your servant, O king! Previously I was your father’s servant, and now I will be your servant.’

2 Samuel 16:23

16:23 In those days Ahithophel’s advice was considered as valuable as a prophetic revelation. ¹  Both David and Absalom highly regarded the advice of Ahithophel. ² 

¹ tn Heb “And the advice of Ahithophel which he advised in those days was as when one inquires of the word of God.”

² tn Heb “So was all the advice of Ahithophel, also to David, also to Absalom.”