e is the principle of motion and rest, in that thing in
which it exists as a principle and not by accident. For all things that
are conspicuous to our eyes, which are neither fortuitous nor necessary,
nor have a divine original, nor acknowledge any such like cause, are
called natural and enjoy their proper nature. Of this sort are earth,
fire, water, air, plants, animals; to these may be added all things
produced from them, such as showers, hail, thunders, hurricanes, and
winds. All these confess they had a beginning, none of these were from
eternity, but had something as the origin of them; and likewise animals
and plants have a principle whence they are produced. But Nature, which
in all these things hath the priority, is not only the principle of
motion but of repose; whatsoever enjoys the principle of motion, the
same has a possibility to find a dissolution. Therefore on this account
it is that Nature is the principle of motion and rest.
CHAPTER II. WHAT IS THE DIFFERENCE BETWEEN A PRINCIPLE AND AN ELEMENT?
The followers of Aristotle and Plato conclude that elements are
discriminated from principles. Thales the Milesian supposeth that a
principle and the elements are one and the same thing, but it is evident
that they vastly differ one from another. For the elements are
things compounded; but we do pronounce that principles admit not of a
composition, nor are the effects of any other being. Those which we call
elements are earth, water, air, and fire. But we call those principles
which have nothing prior to them out of which they are produced; for
otherwise not these themselves, but rather those things whereof they are
produced, would be the principles. Now there are some things which have
a pre-existence to earth and water, from which they are begotten; to
wit, matter, which is without form or shape; then form, which we call
[Greek omitted] (actuality); and lastly, privation. Thales therefore
is most in error, by affirming that water is both an element and a
principle.
CHAPTER III. WHAT ARE PRINCIPLES?
Thales the Milesian doth affirm that water is the principle from whence
all things in the universe spring. This person appears to be the first
of philosophers; from him the Ionic sect took its denomination, for
there are many families and successions amongst philosophers. After he
had professed philosophy in Egypt, when he was very old, he returned to
Miletus. He pronounced, that all things had their o
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