Chapter XXVI.—The Much-Talked-of Fire of the Manichæans; That Fire Matter Itself. That fire, endowed indeed with the power of burning, yet possessing no light, which is outside the world, in what region has it place? For if it is in the world, why does the world hitherto continue safe? For if at some time or other it is to destroy it, by approaching it, now also it is conjoined with it. But if it be apart from it, as it were on high in its own region, what will hereafter happen to make it descend upon the world? Or in what way will it leave its own place, and by what necessity and violence? And what substance of fire can be conceived without fuel, and how can what is moist serve as fuel to it, unless what is rather physiologically said about this does not fall within the province of our present disquisition? But this is quite manifest from what has been said. For the fire existing outside the world is just that which they call matter, since the sun and the moon, being the purest of the pure, by their divine virtue, are separate and distinct from that fire, no part of them being left in it. This fire is matter itself, absolutely and per se , entirely removed from all admixture with the divine virtue. Wherefore when the world has been emptied of all the divine virtue which is opposed to it, and again a fire of this sort shall be left remaining, how then shall the fire either destroy anything, or be consumed by it? For, from that which is like, I do not see in what way corruption is to take place. For what matter will become when the divine virtue has been separated from it, this it was before that the divine virtue was commingled with it. If indeed matter is to perish when it is bereft of the divine virtue, why did it not perish before it came in contact with the divine virtue, or any creative energy? Was it in order that matter might successively perish, and do this ad infinitum ? And what is the use of this? For that which had not place from the first volition, how shall this have place from one following? or what reason is there for God to put off things which, not even in the case of a man, appears to be well? For as regards those who deliberate about what is impossible, this is said to happen to them, that they do not wish for that which is possible. But if nothing else, they speak of God transcending substance, and bring Him forward as some new material, and that not such as intelligent men always think to be joined with Him, but that which investigation discovers either to be not existing at all, or to be the extreme of all things, and which can with difficulty be conceived of by the human mind. For this fire, devoid of light, is it of more force than matter, which is to be left desolate by divine virtue, or is it of less? And if it is of less, how will it overcome that which is of more? but if it is of more, it will be able to bring it back to itself, being of the same nature; yet will it not destroy it, as neither does the Nile swallow up the streams that are divided off from it.