2 Samuel 23:14-16

14At that time David was in the stronghold, and the garrison of the Philistines was at Bethlehem. 15David longed for water and said, “Oh, that someone would get me a drink of water from the well near the gate of Bethlehem!”

16So the three mighty men broke through the Philistine camp, drew water from the well near the gate of Bethlehem, and brought it back to David. But he refused to drink it; instead, he poured it out to the LORD,