 It is evident that the rest of the whole caused by the rest of one of its parts takes place in so far as the movable is other than the mover, and when the influence (athar) of the latter ends, it comes to rest. Its influence ends because the mover ceases to act either on its own or because something else exerts resistance on it. Whenever the mover ceases to act on its own, this happens due either to its destruction, or to exhaustion (kalal) of the power of the mover, or because the cause disappears, or because the motion is complete, since the movable has reached the end toward which it was moving. (IB-SS-fakhry: 99.16–20. Lettinck 1994: 532–533)