FIRE, THOUGH AN APPARENT EXCEPTION, STILL CONFORMS TO THIS PROCEDURE.
For example, fire (as the principal element of the heaven), is both lively and swift, and cannot remain in the inferior regions, any more than the earth can abide in the superior regions. When it has reached these regions where it is to remain, it becomes established in the most suitable place. But even so, like all other bodies, it still seeks to extend in all directions. However, it cannot ascend, since there is no place higher than the one it occupies; nor can it descend, because of the opposition of its own nature. The only thing left for it to do is to yield to the guidance and natural impulsion of the life-imparting universal Soul, that is, to move into the most beautiful place, in the universal Soul. Its falling from here is prevented by the universal Soul's circular movement which dominates and supports it, as well as by its innate indisposition to descend, so that its continuance in the higher regions is unopposed. (The fire has no similarity with) the constitutive parts of our body which are forced to derive their suitable form from elsewhere. If unaided, they are not even capable of preserving their organization. Merely to subsist, they are forced to borrow parts from other objects. The case is entirely different with the fire of the heaven, which needs no food because it loses nothing. If indeed it allowed anything to escape, we might indeed be forced to state that when in the heaven a fire is extinguished, a substitute must be lit. But in such a case the universal living Organism would no more remain identical.