2 Samuel 23:14

23:14 David was in the stronghold at the time, while a Philistine garrison was in Bethlehem.

2 Samuel 23:16

23:16 So the three elite warriors broke through the Philistine forces and drew some water from the cistern in Bethlehem near the gate. They carried it back to David, but he refused to drink it. He poured it out as a drink offering to the Lord