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7 Posidonius: Substance and qualified things
I.20.7.2 · Wachsmuth pp. 178
Of these, change by alteration occurs in substance, while the other three occur in what are called qualified things, which come to be in substance. Corresponding processes of generation also take place. For substance neither increases nor decreases by addition or subtraction, but is only altered, as happens with numbers and measures.600
7 Posidonius: Individual persistence
I.20.7.3 · Wachsmuth pp. 178
⟨But⟩ individually qualified things, such as Dion and Theon, undergo both increase and decrease. Thus each one’s quality persists from its coming into being until its destruction, ⟨as⟩ in animals, plants, and similar things that admit of destruction.601
7 Posidonius: Two constituents
I.20.7.4 · Wachsmuth pp. 178
In individually qualified things, he says, there are two receptive constituents: one in respect of the subsistence of substance, the other ⟨one⟩ in respect of the subsistence of the qualified thing. For this latter, as we have often said, admits increase and decrease.602
7 Posidonius: Nonidentity and difference
I.20.7.5 · Wachsmuth pp. 178-179
The individually qualified thing is not identical with the substance of which it consists; yet neither is it a different thing, but only not identical, because it is part of substance and occupies the same place. Things said to be different from others must also be spatially separate and must not be regarded as parts of them.603
7 Mnesarchus: The modeled figure
I.20.7.6 · Wachsmuth pp. 179
Mnesarchus says that the nonidentity of a thing considered as individually qualified and a thing considered as substance is evident; for identical things must have the same attributes.604 If someone, for example, modeled a horse, crushed it, and then made a dog, we could reasonably say on seeing it, “This did not exist before, but now it does.” Hence “this” said of the qualified thing differs from ⟨“this”⟩ said of the substance.605
7 Mnesarchus: Socrates and his substance
I.20.7.7 · Wachsmuth pp. 179
In general, it seems implausible to suppose that we are identical with our substances. For it often happens that the substance exists before the birth of, say, Socrates, while Socrates himself does not yet exist; and after Socrates’s destruction the substance persists, while he himself no longer exists.606
8 Plato, Timaeus: The cycle of elements
I.20.8.1 · Wachsmuth pp. 179-180
Plato, in the Timaeus.607
[That the elements change into one another.] How, then, and in what way, are we to discuss this very matter, and what might we reasonably say about them after examining the difficulties? First, we see what we have just called water, when it solidifies, becoming, as we suppose, stones and earth; and this same thing, when it melts and separates, becoming breath and air; air, when set alight, becoming fire; and, conversely, fire, when condensed and extinguished, passing back again into the form of air [fire].608
8 Plato: No stable “this”
I.20.8.2 · Wachsmuth pp. 180
And again we see air coming together and thickening into cloud and mist, and from these, as they are still more compressed, flowing water, and from water earth and stones once more; so, as it appears, they pass generation on to one another in a circle. Since each of these never presents itself as the same, which of them could anyone firmly insist is this particular thing and not something else without putting himself to shame? There is none.609
8 Plato: “This” and “such”
I.20.8.3 · Wachsmuth pp. 180
By far the safest course is to state the matter as follows: whatever we continually observe coming to be now in one way, now in another, as with fire, we should on each occasion call “such” fire, rather than “this”; and water likewise always “such,” rather than “this.” Nor should we ever speak of anything else of this kind as possessing stability, when we point to it with the words “this here” and “this,” thinking that we are indicating something. For it slips away, refusing to abide the expression “this here,” “this,” “to this,” or any expression that indicates these things as stable existences.610
9a ⟨In the same work⟩: The world’s bond
I.20.9a · Wachsmuth pp. 180
He makes it clear that the universe is eternal, for he says this in the Timaeus:611
“From these constituents, of this kind and four in number, the body of the world came into being, brought into agreement by proportion. From them it acquired friendship, so that, united into the same whole with itself, it became indissoluble by anyone other than the one who bound it together.”612
9b ⟨In the same work⟩: Time and eternity
I.20.9b · Wachsmuth pp. 180-181
Time, then, came into being together with heaven, so that, having been born together, they might also be dissolved together, if they should ever undergo dissolution; and it came into being after the model of the everlasting nature, so that it might resemble that model as closely as possible. For the model is in being for all eternity, while heaven, throughout the whole of ⟨time⟩, has come to be, is, and will be.613
10 In the same work: The maker’s address
I.20.10.1 · Wachsmuth pp. 181
“Gods of gods, works whose maker and father I am: what comes into being through me cannot be dissolved while I will it so.614 Everything that has been bound can indeed be loosened; yet to wish to dissolve what has been well fitted together and is in a good condition belongs to an evil being.”615
10 Plato: A bond stronger than death
I.20.10.2 · Wachsmuth pp. 181
“Therefore, since you too have come into being, you are not altogether immortal or indissoluble. Nevertheless, you will certainly not be dissolved or meet with death as your lot, for you have received in my will a bond still greater and more sovereign than those with which you were bound together when you came into being.”616