 The theologians argued that an endless chain of motions was impossible and that a first motion had to be created anew (ex novo). Aristotle argued that motion is generically eternal since no beginning can be determined. The former had a linear image of eternity and the latter, a circular one. Averroes stepped in with an original proposal: the succession of motions is accidental, not per se. But any accident presupposes a propriety to which is related. The heavenly motion is eternal per se and it is the reference to the accidental eternity. Averroes answers the Ashʻarites: 