And David sat between the two gates: and the watchman went up to the roof over the gate unto the wall, and lifted up his eyes, and looked, and behold a man running alone.
David sat between the two gates - i:e., in the tower-house on the wall that overhung the gate of Mahanaim; near it was a watch-tower, on which a sentinel was posted, as in times of war, to notify every occurrence.