And when he mentioned the cradle and what is in it, he followed it with the ceiling, which by its rotation is the time and the duration, and what it contains of the radiant lamps and the apparent benefits for the revival of the cradle and those in it from the servants. He said: "And We built" meaning a great building "above you" meaning general for all directions of above, and it is a phrase that indicates encompassing "seven" meaning of the heavens "strong" meaning they are in the utmost strength and firmness, with no cracks in them nor openings, not affected by the passing of eras nor the passage of time, until the command of Allah comes with the manifestation of the greatness of the destined.