Introduction to the Philosophy and Writings of Plato

There is also another mode, which does not place the unindigent before the indigent, but considers that which is indigent of a more excellent nature, as subsisting secondary to that which is more excellent. Every where then, that which is in capacity is secondary to that which is in energy. For that it may proceed into energy, and that it may not remain in capacity in vain, it requires that which is in energy. For the more excellent never blossoms from the subordinate nature. Let this then be defined by us according to common unperverted conceptions. Matter therefore has prior to itself material form; because all matter is form in capacity, whether it be the first matter which is perfectly formless, or the second which subsists according to body void of quality, or in other words mere triple extension, to which it is likely those directed their attention who first investigated sensibles, and which at first appeared to be the only thing that had a subsistence. For the existence of that which is common in the different elements, persuaded them that there is a certain body void of quality. But since, among bodies of this kind, some possess the governing principle inwardly, and others externally, such as things artificial, it is necessary besides quality to direct our attention to nature, as being something better than qualities, and which is prearranged in the order of cause, as art is, of things artificial. Of things, however, which are inwardly governed, some appear to possess being alone, but others to be nourished and increased, and to generate things similar to themselves. There is therefore another certain cause prior to the above-mentioned nature, viz. a vegetable power itself. But it is evident that all such things as are ingenerated in body as in a subject, are of themselves incorporeal, though they become corporeal by the participation of that in which they subsist, so that they are said to be and are material in consequence of what they suffer from matter. Qualities therefore, and still more natures, and in a still greater degree the vegetable life, preserve the incorporeal in themselves. Since however, sense exhibits another more conspicuous life, pertaining to beings which are moved according to impulse and place, this must be established prior to that, as being a more proper principle, and as the supplier of a certain better form, that of a self-moved animal, and which naturally precedes plants rooted in the earth. The animal however, is not accurately self-moved. For the whole is not such throughout they whole; but a part moves and a part is moved. This therefore is the apparent self-moved. Hence, prior to this it is necessary there should be that which is truly self-moved, and which according to the whole of itself moves ands is moved, that the apparently self-moved may be the image of this. And indeed the soul which moves the body must be considered as a more proper self-moved essence. This, however, is twofold, the one rational, the other irrational. For that there is a rational soul is evident: or has not every one a cosensation of himself, more clear or more obscure, when converted to himself in the attentions to and investigations of himself, and in the vital and Gnostic animadversions of himself? For the essence which is capable of this, and which can collect universals by reasoning, will very justly be rational. The irrational soul also, though it does not appear to investigate these things, and to reason with itself, yet at the same time it moves bodies from place to place, being itself previously moved from itself; for at different times it exerts a different impulse. Does it therefore move itself from one impulse to another? or it is moved by something else, as, for instance, by the whole rational soul in the universe? But it would be absurd to say that the energies of every irrational soul are not the energies of that soul, but of one more divine; since they are infinite, and mingled with much of the base and imperfect. For this would be just the same as to say that the irrational enemies are the energies of the rational soul. I omit to mention the absurdity of supposing that the whole essence is not generative of its proper energies. For if the irrational soul is a certain essence, it will have peculiar energies of its own, not imparted from something else, but proceeding from itself. This irrational soul, therefore, will also move itself at different times to different impulses. But if it moves itself, it will be converted to itself. If, however, this be the case, it will have a separate subsistence, and will not be in a subject. It is therefore rational, if it looks to itself: for in being converted to, it surveys itself. For when extended to things external, it looks to externals, or rather it looks to colored body, but does not see itself, because sight itself is neither body nor that which is colored. Hence it does not revert to itself. Neither therefore is this the case with any other irrational nature. For neither does the phantasy project a type of itself, but of that which is sensible, as for instance of colored body. Nor does irrational appetite desire itself, but aspires after a certain object of desire, such as honor, or pleasure, or riches. It does not therefore move itself.

But if some one, on seeing that brutes exert rational energies, should apprehend that these also participate of the first self-moved, and on this account possess a soul converted to itself, it may perhaps be granted to him that these also are rational natures, except that they are not so essentially, but according to participation, and this most obscure, just as the rational soul may be said to be intellectual according to participation, as always projecting common conceptions without distortion. It must however be observed, that the extreme are that which is capable of being perfectly separated, such as the rational form, and that which is perfectly inseparable, such as corporeal quality, and that in the middle of these nature subsists, which verges to the inseparable, having a small representation of the separable and the irrational soul, which verges to the separable; or it appears in a certain respect to subsist by itself, separate from a subject; so that it becomes doubtful whether it is self-motive, or alter-motive. For it contains an abundant vestige of self-motion, but not that which is true and converted to itself, and on this account perfectly separated from a subject. And the vegetable soul has in a certain respect a middle subsistence. On this account to some of the ancients it appeared to be a certain soul, but to others, nature.

Again, therefore, that we may return to the proposed object of investigation, how can a self-motive nature of this kind, which is mingled with the alter-motive, be the first principle of things? For it neither subsists from itself, nor does it in reality perfect itself; but it requires a certain other nature, both for its subsistence and perfection: and prior to it is that which is truly self-moved. Is therefore that which is properly self-moved the principle, and is it indigent of no form more excellent than itself? Or is not that which moves always naturally prior to that which is moved; and in short does not every form which is pure from its contrary subsist by itself prior to that which is mingled with it? And is not the pure the cause of the commingled? For that which is coessentialized with another has also an energy mingled with that other. So that a self-moved nature will indeed, make itself; but thus subsisting it will be at the same time moving and moved, but will not be made a moving nature only. For neither is it this alone. Every form however is always alone according to its first subsistence; so that there will be that which moves only without being moved. And indeed it would be absurd that there should be that which is moved only such as body, but that prior both to that which is self-moved and that which is moved only, there should not be that which moves only. For it is evident that there must be, since this will be a more excellent nature, and that which is self-moved, so far as it moves itself, is more excellent than so far as it is moved. It is necessary therefore that the essence which moves unmoved, should be first, as that which is moved, not being motive, is the third, in the middle of which is the self-moved, which we say requires that which moves in order to its becoming motive. In short, if it is moved, it will not abide, so far as it is moved; and if it moves, it is necessary it should remain moving so far as it moves. Whence then does it derive the power of abiding? For from itself it derives the power either of being moved only, or of at the same time abiding and being moved wholly according to the same. Whence then does it simply obtain the power of abiding? Certainly from that which simply abides. But, this is an immovable cause. We must therefore admit that the immovable is prior to the self moved. Let us consider then if the immovable is the most proper principle? But how is this possible? For the immovable contains as numerous a multitude immovably; as the self-moved self-moveably. Besides an immovable separation must necessarily subsist prior to a self-moveable separation. The unmoved therefore is at the same time one and many, and is at the same time united and separated, and a nature of this kind is denominated intellect. But it is evident that the united in this is naturally prior to and more honorable than the separated. For separation is always indigent of union; but not, on the contrary, union of separation. Intellect, however, has not the united pure from its opposite. For intellectual form is coessentialized with the separated, through the whole of itself. Hence that which is in a certain respect united requires that which is simply united; and that which subsists with another is indigent of that which subsists by itself; and that which subsists according to participation, of that which subsists according to essence. For intellect being self-subsistent produces itself as united, and at the same time separated. Hence it subsists according to both these. It is produced therefore from that which is simply united and alone united. Prior therefore to that which is formal is the uncircumscribed, and undistributed into forms. And this is that which we call the united, and which the wise men of antiquity denominated being, possessing in one contraction multitude, subsisting prior to the many.

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