5. A first point demanding consideration:
Bodies- those, for example, of animals and plants- are each a multiplicity founded on colour and shape and magnitude, and on the forms and arrangement of parts: yet all these elements spring from a unity. Now this unity must be either Unity-Absolute or some unity less thorough-going and complete, but necessarily more complete than that which emerges, so to speak, from the body itself; this will be a unity having more claim to reality than the unity produced from it, for divergence from unity involves a corresponding divergence from Reality. Since, thus, bodies take their rise from unity, but not "unity" in the sense of the complete unity or Unity-Absolute- for this could never yield discrete plurality- it remains that they be derived from a unity Pluralized. But the creative principle [in bodies] is Soul: Soul therefore is a pluralized unity.
We then ask whether the plurality here consists of the Reason-Principles of the things of process. Or is this unity not something different from the mere sum of these Principles? Certainly Soul itself is one Reason-Principle, the chief of the Reason-Principles, and these are its Act as it functions in accordance with its essential being; this essential being, on the other hand, is the potentiality of the Reason-Principles. This is the mode in which this unity is a plurality, its plurality being revealed by the effect it has upon the external.
But, to leave the region of its effect, suppose we take it at the higher non-effecting part of Soul; is not plurality of powers to be found in this part also? The existence of this higher part will, we may presume, be at once conceded.
But is this existence to be taken as identical with that of the stone? Surely not. Being in the case of the stone is not Being pure and simple, but stone-being: so here; Soul's being denotes not merely Being but Soul-being.
Is then that "being" distinct from what else goes to complete the essence [or substance] of Soul? Is it to be identified with Bring [the Absolute], while to some differentia of Being is ascribed the production of Soul? No doubt Soul is in a sense Being, and this is not as a man "is" white, but from the fact of its being purely an essence: in other words, the being it possesses it holds from no source external to its own essence.