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'Nature' means: |
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(1) the genesis of growing things - the meaning which
would be suggested if one were to pronounce the 'u' in phusis long. |
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(2) That immanent part of a growing thing, from which its growth first
proceeds. |
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(3) The source from which the primary movement in each natural
object is present in it in virtue of its own essence. |
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(4) 'Nature' means
the primary material of which any natural object consists or out of
which it is made, which is relatively unshaped and cannot be changed
from its own potency, as e.g. bronze is said to be the nature of a
statue and of bronze utensils, and wood the nature of wooden things; |
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(5) 'Nature' means the essence of natural
objects, as with those who say the nature is the primary mode of composition,
or as Empedocles says: |
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"Nothing that is has a nature,
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But only mixing and parting of the mixed,
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And nature is but a name given them by men." |
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Hence as regards the things that are or come to be by nature, though
that from which they naturally come to be or are is already present,
we say they have not their nature yet, unless they have their form
or shape. |
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(6) By an extension
of meaning from this sense of 'nature' every essence in general has
come to be called a 'nature', because the nature of a thing is one
kind of essence. |
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From what has been said, then, it is plain that nature in the primary
and strict sense is the essence of things which have in themselves,
as such, a source of movement; |