1 Samuel 23:11
Will the men of Keilah deliver me up into his hand? will Saul come down, as thy servant hath heard? O Lord God of Israel, I beseech thee, tell thy servant. And the Lord said, He will come down.
Cross-reference
In 1 Samuel 10:22, the people inquire of the Lord about Saul's location and get an answer — same method of divine guidance about Saul.
Psalm 50:15 promises that calling on God in trouble brings deliverance — exactly what David is doing here, trusting God to answer.
Jeremiah 11:18 says God revealed the plots of enemies to Jeremiah — similar to David asking God to reveal Saul's plans against him.
In 2 Samuel 21:1, David again inquires of the Lord about a national crisis — showing his consistent reliance on divine guidance.
Psalm 142:4 describes David feeling abandoned with no one caring — here he turns to God as his only refuge, seeking direction.
Jeremiah 33:3 promises that God will answer when called and reveal hidden things — parallel to David's request for God to reveal Saul's plans.