 their confusion about it is that they said the sky is moving and this is a sensory premise. and every moving body has a mover and this is a rational premise because if the body were to move because it is a body then every body would be moving.
وخبالهم فيه أن قالوا السماء متحرك وهذه مقدمة حسية. وكل جسم متحرك فله محرك وهذه مقدمة عقلية إذ لو كان الجسم يتحرك لكونه جسما لكان كل جسم متحركا.