Galilei, Galileo, The systems of the world, 1661

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Senſible
ments
are to be
ferred
before
mane
argument
tions
.
SALV. The moſt that you can pretend from this your
courſe
, were it granted to be true, is that, like as the parts of the
Earth
removed from the whole, namely, from the place where
they
naturally reſt, that is in ſhort reduced to a depraved and
ordered
diſpoſure, return to their place ſpontaneouſly, and
fore
naturally in a right motion, (it being granted, that eadem
ſit
ratio totius & partium) ſo it may be inferred, that the
Terreſtrial
Globe removed violently from the place aſſigned

it
by nature, it would return by a right line.
This, as I have
ſaid
, is the moſt that can be granted you, and that onely for want
of
examination; but he that ſhall with exactneſs reviſe theſe
things
, will firſt deny, that the parts of the Earth, in returning to
its
whole, move in a right line, and not by a circular or mixt; and
really
you would have enough to do to demonſtrate the
ry
, as you ſhall plainly ſee in the anſwers to the particular reaſons
and
experiments alledged by Ptolomey and Ariſtotle. Secondly,
If
another ſhould ſay that the parts of the Earth, go not in their
motion
towards the Centre of the World, but to unite with its
Whole, and that for that reaſon they naturally incline towards the
centre
of the Terreſtrial Globe, by which inclination they
ſpire
to form and preſerve it, what other All, or what other Centre
would
you find for the World, to which the whole Terrene

Globe
, being thence removed, would ſeek to return, that ſo the
reaſon
of the Whole might be like to that of its parts? It may be
added
, That neither Ariſtotle, nor you can ever prove, that the
Earth
de facto is in the centre of the Univerſe; but if any Centre

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