In a war, a strong horse was important. And a soldier must have sturdy legs, for running fast or walking long distances belong to the basic skills of a soldier. Even now, good shoes or boots are basic equipment for a soldier, but for God, cavalry or infantry does not matter. God often uses those who are weak
in this world as his instruments.
10 His delight is not in the strength of the horse, nor his pleasure in the legs of a man,