Isaiah 21:7

When he sees riders , horsemen in pairs , riders on donkeys , riders on camels , let him listen diligently , very diligently .

When he sees chariots with teams of horses, riders on donkeys or riders on camels, let him be alert, fully alert.”

And he saw a chariot with a couple of horsemen, a chariot of asses, and a chariot of camels; and he hearkened diligently with much heed :