1and therefore they alſo, as being round, muſt be alſo
tible; and likewife in the remainders, which environ theſe eight
leſſer Spheres, a man may underſtand that there are others: ſo
that in the end, reſolving the whole Die into innumerable balls,
it muſt neceſſarily be granted incorruptible. And the ſame
courſe and reſolution may be made in all other figures.
tible; and likewife in the remainders, which environ theſe eight
leſſer Spheres, a man may underſtand that there are others: ſo
that in the end, reſolving the whole Die into innumerable balls,
it muſt neceſſarily be granted incorruptible. And the ſame
courſe and reſolution may be made in all other figures.
If the ſpherical
gure conferreth
ternity, all bodies
would be eternal.
gure conferreth
ternity, all bodies
would be eternal.
SALV. Your method in making the concluſion, for if v. g. a
round Chryſtal were, by reaſon of its figure, incorruptible; namely,
received from thence a faculy of reſiſting all internal and external
alterations, we ſhould not find, that the joyning to it other
ſtal, and reducing it v. g. into a Cube, would any whit alter it
within, or without; ſo as that it would thereupon become leſſe
apt to reſiſt the new ambient, made of the ſame matter, than it
was to reſiſt the other, of a matter different; and eſpecially, if
it be true, that corruption is generated by contraries, as
ſtotle ſaith; and with what can you encloſe that ball of Cryſtal,
that is leſſe contrary to it, than Cryſtal it ſelf? But we are not
ware how time flies away; and it will be too late before we come
to an end of our diſpute, if we ſhould make ſo long diſcourſes,
upon every particular; beſides our memories are ſo confounded
in the multiplicity of notions, that I can very hardly recal to
mind the Propotſiions, which I propoſed in order to Simplicius,
for our conſideration.
round Chryſtal were, by reaſon of its figure, incorruptible; namely,
received from thence a faculy of reſiſting all internal and external
alterations, we ſhould not find, that the joyning to it other
ſtal, and reducing it v. g. into a Cube, would any whit alter it
within, or without; ſo as that it would thereupon become leſſe
apt to reſiſt the new ambient, made of the ſame matter, than it
was to reſiſt the other, of a matter different; and eſpecially, if
it be true, that corruption is generated by contraries, as
ſtotle ſaith; and with what can you encloſe that ball of Cryſtal,
that is leſſe contrary to it, than Cryſtal it ſelf? But we are not
ware how time flies away; and it will be too late before we come
to an end of our diſpute, if we ſhould make ſo long diſcourſes,
upon every particular; beſides our memories are ſo confounded
in the multiplicity of notions, that I can very hardly recal to
mind the Propotſiions, which I propoſed in order to Simplicius,
for our conſideration.
SIMPL. I very well remember them: And as to this particular
queſtion of the montuoſity of the Moon, there yet remains
anſwered that which I have alledged, as the cauſe, (and which
may very well ſerve for a ſolution) of that Phænomenon, ſaying,
that it is an illuſion proceeding from the parts of the Moon,
ing unequally opacous, and perſpicuous.
queſtion of the montuoſity of the Moon, there yet remains
anſwered that which I have alledged, as the cauſe, (and which
may very well ſerve for a ſolution) of that Phænomenon, ſaying,
that it is an illuſion proceeding from the parts of the Moon,
ing unequally opacous, and perſpicuous.
SAGR. Even now, when Simplicius aſcribed the apparent
tnberancies or unevenneſſes of the Moon (according to the opinion
of a certain Peripatetick his friend) to the diverſly opacous, and
perſpicuous parts of the ſaid Moon, conformable to which the like
illuſions are ſeen in Cryſtal, and Jems of divers kinds, I bethought
my ſelf of a matter much more commodious for the repreſenting
ſuch effects; which is ſuch, that I verily believe, that that
pher would give any price for it; and it is the mother of Pearl, which
is wrought into divers figures, and though it be brought to an
treme evenneſſe, yet it ſeemeth to the eye in ſeveral parts, ſo
ouſly hollow and knotty, that we can ſcarce credit our feeling of
their evenneſſe.
tnberancies or unevenneſſes of the Moon (according to the opinion
of a certain Peripatetick his friend) to the diverſly opacous, and
perſpicuous parts of the ſaid Moon, conformable to which the like
illuſions are ſeen in Cryſtal, and Jems of divers kinds, I bethought
my ſelf of a matter much more commodious for the repreſenting
ſuch effects; which is ſuch, that I verily believe, that that
pher would give any price for it; and it is the mother of Pearl, which
is wrought into divers figures, and though it be brought to an
treme evenneſſe, yet it ſeemeth to the eye in ſeveral parts, ſo
ouſly hollow and knotty, that we can ſcarce credit our feeling of
their evenneſſe.
Mother of Pearl
accommodated to
imitate the
rent unevenneſſes
of the Moons
face.
accommodated to
imitate the
rent unevenneſſes
of the Moons
face.
SALV. This invention is truly ingenious; and that which hath
not been done already, may be done in time to come; and if
there have been produced other Jems, and Cryſtals, which have
nothing to do with the illuſions of the mother of Pearl, theſe may
not been done already, may be done in time to come; and if
there have been produced other Jems, and Cryſtals, which have
nothing to do with the illuſions of the mother of Pearl, theſe may
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