Fragments that Remain of the Lost Writings of Proclus, by Thomas Taylor, [1825], at sacred-texts.com

Argument the Twelfth.

Every thing which is generated requires matter, and an efficient cause; so that, if that which is generated does not exist always, but only sometimes, this takes place either through the inaptitude of the matter, or through the efficient cause failing in productive energy, or

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through both these; neither the matter being adapted, nor the maker possessing a sufficiency of productive power. If, therefore, the world formerly was not, or will not be hereafter, this will happen to it either through the matter of which it consists, or through the cause by which the world was produced. The maker of the world, however, always possesses a sufficiency of productive power, since he is eternally the same, and does not subsist differently at different times. Either, therefore, neither now does the maker of the world possess a sufficiency of effective power, or he possesses this now, and did formerly, and will hereafter. And with respect to matter, either it was always adapted to be adorned after the sane manner as it is now, or neither now, though it always subsists after the same manner: for matter remains invariably the same, just as the maker of the world is immutable. If, therefore, every thing which at one time is, but at another is not, is such, either through the insufficiency of the maker, or through matter not always possessing a proper aptitude; but the maker of the world, is not at one time sufficient to produce it, and at another not sufficient, nor is matter at one time properly adapted, but at another not;—if this be the case, the world will not exist at one time, but at another not. The Demiurgus, therefore,

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produces, matter is adorned, and the world is for ever.