SOUL AS BOTH ESSENTIALLY DIVISIBLE AND INDIVISIBLE.
2. Such then the nature of the soul had to be. She could not be either purely indivisible, nor purely divisible, but she necessarily had to be both indivisible and divisible, as has just been set forth. This is further proved by the following considerations. If the soul, like the body, have several parts differing from each other, the sensation of one part would not involve a similar sensation in another part. Each part of the soul, for instance, that which inheres in the finger, would feel its individual affections, remaining foreign to all the rest, while remaining within itself. In short, in each one of us would inhere several managing souls (as said the Stoics). Likewise, in this universe, there would be not one single soul (the universal Soul), but an infinite number of souls, separated from each other.
POLEMIC AGAINST THE STOIC PREDOMINATING PART OF THE SOUL.
Shall we have recourse to the (Stoic) “continuity of parts” to explain the sympathy which interrelates all the organs? This hypothesis, however, is useless, unless this continuity eventuate in unity. For we cannot admit, as do certain (Stoic) philosophers, who deceive themselves, that sensations focus in the “predominating principle” by “relayed transmission.” To begin with, it is a wild venture to predicate a “predominating principle” of the soul. How indeed could we divide the soul and distinguish several parts therein? By what superiority, quantity or quality are we going to distinguish the “predominating part” in a single continuous mass? Further, under this hypothesis, we may ask, Who is going to feel? Will it be the “predominating part” exclusively, or the other parts with it? If that part exclusively, it will feel only so long as the received impression will have been transmitted to itself, in its particular residence; but if the impression impinge on some other part of the soul, which happens to be incapable of sensation, this part will not be able to transmit the impression to the (predominating) part that directs, and sensation will not occur. Granting further that the impression does reach the predominating part itself, it might be received in a twofold manner; either by one of its (subdivided) parts, which, having perceived the sensation, will not trouble the other parts to feel it, which would be useless; or, by several parts simultaneously, and then we will have manifold, or even infinite sensations which will all differ from each other. For instance, the one might say, “It is I who first received the impression”; the other one might say, “I received the impression first received by another”; while each, except the first, will be in ignorance of the location of the impression; or again, each part will make a mistake, thinking that the impression occurred where itself is. Besides, if every part of the soul can feel as well as the predominating part, why at all speak of a “predominating part?” What need is there for the sensation to reach through to it? How indeed would the soul recognize as an unity the result of multiple sensations; for instance, of such as come from the ears or eyes ?
THE SOUL HAS TO BE BOTH ONE AND MANIFOLD. EVEN ON THE STOIC HYPOTHESES.
On the other hand, if the soul were absolutely one, essentially indivisible and one within herself, if her nature were incompatible with manifoldness and division, she could not, when penetrating into the body, animate it in its entirety; she would place herself in its centre, leaving the rest of the mass of the animal lifeless. The soul, therefore, must be simultaneously one and manifold, divided and undivided, and we must not deny, as something impossible, that the soul, though one and identical, can be in several parts of the body simultaneously. If this truth be denied, this will destroy the “nature that contains and administers the universe” (as said the Stoics); which embraces everything at once, and directs everything with wisdom; a nature that is both manifold, because all beings are manifold; and single, because the principle that contains everything must be one. It is by her manifold unity that she vivifies all parts of the universe, while it is her indivisible unity that directs everything with wisdom. In the very things that have no wisdom, the unity that in it plays the predominating “part,” imitates the unity of the universal Soul. That is what Plato wished to indicate allegorically by these divine words: “From the “Being” that is indivisible and ever unchanging; and from the “being” which becomes divisible in the bodies, the divinity formed a mixture, a third kind of “being.” The (universal) Soul, therefore, is (as we have just said) simultaneously one and manifold; the forms of the bodies are both manifold and one; the bodies are only manifold; while the supreme Principle (the One), is exclusively an unity.