Hushai replied to Absalom, “Ahithophel’s advice is not sound this time.” ¹ 

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 

Then Hushai reported to Zadok and Abiathar the priests, “Here is what Ahithophel has advised Absalom and the leaders ¹  of Israel to do, and here is what I have advised.

After the men had left, Ahimaaz and Jonathan ¹  climbed out of the well. Then they left and informed King David. They advised David, “Get up and cross the stream ²  quickly, for Ahithophel has devised a plan to catch you.” ³