7. The whole of this reasoning, then, amounts to this: that God created two general natures,—a visible, i.e. a corporeal nature; and an invisible nature, which is incorporeal. Now these two natures admit of two different permutations. That invisible and rational nature changes in mind and purpose, because it is endowed with freedom of will, and is on this account found sometimes to be engaged in the practice of good, and sometimes in that of the opposite. But this corporeal nature admits of a change in substance; whence also God, the arranger of all things, has the service of this matter at His command in the moulding, or fabrication, or re-touching of whatever He wishes, so that corporeal nature may be transmuted, and transformed into any forms or species whatever, according as the deserts of things may demand; which the prophet evidently has in view when he says, “It is God who makes and transforms all things.”