To the assertion that the circular movement is a corporeal movement, it might be objected that one can see that every body, even fire, moves in a straight line. However, the fire moves in a straight line only till it reaches the place assigned to it by the universal order (it constitutes the heavens, which are its proper place). By virtue of this order its nature is permanent, and it moves towards its assigned location. Why then does the fire as soon as it has arrived there, not abide there quiescently? Because its very nature is constant movement; if it went in a straight line, it would dissipate; consequently, it necessarily possesses a circular motion. That is surely a providential arrangement. Providence placed fire within itself (because it constitutes the heavens, which are its location); so that, as soon as it finds itself in the sky it must spontaneously move in a circle. WHY SOUL ASSUMES A CIRCULAR MOTION. We might further say that, if the fire tended to move in a straight line, it must effect a return upon itself in the only place where it is possible (in the heavens), inasmuch as there is no place outside of the world where it could go. In fact there is no further place, beyond the celestial fire, for itself constitutes the last place in the universe; it therefore moves in a circle in the place at its disposal; it is its own place, but not to remain immovable, but to move. In a circle, the centre is naturally immovable; and were the circumference the same, it would be only an immense centre. It is therefore better that the fire should turn around the centre in this living and naturally organized body. Thus the fire will tend towards the centre, not in stopping, for it would lose its circular form, but in moving itself around it; thus only will it be able to satisfy its tendency (towards the universal Soul). However, if this power effect the movement of the body of the universe, it does not drag it like a burden, nor give it an impulsion contrary to its nature. For nature is constituted by nothing else than the order established by the universal Soul. Besides, as the whole Soul is everywhere, and is not divided into parts, it endows the sky with all the ubiquity it can assimilate, which can occur only by traversing all of it. If the Soul remained immovable in one place, she would remain immovable as soon as the heavens reached this place; but as the Soul is everywhere, they would seek to reach her everywhere. Can the heavens never reach the Soul? On the contrary, they reach her ceaselessly; for the Soul, in ceaselessly attracting them to herself, endues them with a continual motion by which she carries them, not towards some other place, but towards herself, and in the same place, not in a straight line, but in a circle, and thus permits them to possess her in all the places which she traverses. WHY THE HEAVENS DO NOT REMAIN STILL.