וַיֹּ֥אמֶר חוּשַׁ֖י אֶל־אַבְשָׁל֑וֹם לֹֽא־טוֹבָ֧ה הָעֵצָ֛ה אֲשֶׁר־יָעַ֥ץ אֲחִיתֹ֖פֶל בַּפַּ֥עַם הַזֹּֽאת׃
And Hushai said unto Absalom: ‘The counsel that Ahithophel hath given this time is not good.’
Read midrashic interpretation of II Samuel 17:7: and classical rabbinic exegesis.