The Arabian Nights Entertainments

'Do you see that mountain?' asked the king, pointing to a huge mass that towered into the sky about three leagues from Schiraz; 'go and bring me the leaf of a palm that grows at the foot.' The words were hardly out of the king's mouth when the Indian turned a screw placed in the horse's neck, close to the saddle, and the animal bounded like lightning up into the air, and was soon beyond sight even of the sharpest eyes.