2 Samuel 15:31-33

31David was told, “Ahithophel [your counselor] is among the conspirators with Absalom.” David said, “O Lord, I pray You, turn Ahithophel’s counsel into foolishness.”

32It happened when David came to the summit [of the Mount of Olives], where he worshiped God, behold, Hushai the Archite came to meet him with his tunic torn and dust on his head [as if in mourning].

33David said to him, “If you go on with me, you will be a burden to me.