1 Samuel 23:14; 1 Samuel 23:23

14 David stayed in the wilderness in the strongholds, and remained in the hill country in the wilderness of Ziph. And Saul sought him every day, but God did not deliver him into his hand

23 "So look, and learn about all the hiding places where he hides himself and return to me with certainty, and I will go with you; and if he is in the land, I will search him out among all the thousands of Judah."