Watchmen in Time of Danger: Reported the Approach of all Strangers

Now David was sitting between the two gates when the watchman went up to the roof of the gateway by the wall, looked out, and saw a man running alone. …

So a horseman rode off to meet Jehu and said, “This is what the king asks: ‘Have you come in peace?’” “What do you know about peace?” Jehu replied. “Fall in behind me.” And the watchman reported, “The messenger reached them, but he is not coming back.” …

For this is what the Lord says to me: “Go, post a lookout and have him report what he sees.

When he sees chariots with teams of horsemen, riders on donkeys, riders on camels, he must be alert, fully alert.”

Look, here come the riders, horsemen in pairs.” And one answered, saying: “Fallen, fallen is Babylon! All the images of her gods lie shattered on the ground!”