POLEMIC AGAINST THE PYTHAGOREANS: TIME IS NOT WHAT IS MOVABLE.
On the other hand, if time be not the movement of the sphere, evidently it is far less (than that which is movable, as thought the Pythagoreans,[449]) or (as Pythagoras thought), the sphere (of heaven) itself, as some have thought, because it moves. (This fact alone is sufficient to refute the opinion that confuses time with that which is movable).