(And He hath constrained the night and the day and the sun and the moon to be of service unto you) to be subservient to you, (and the stars are made subservient by His command) by His leave. (Lo! Herein) in the subservience of that which I have mentioned (indeed are portents) signs (for people who have sense) for people who act and believe that it is Allah Who made all these things subservient.