Wilkins, John, A discovery of a new world : or a discourse tending to prove, that 'tis probable there may be another Habitable World in the Moon ; with a discourse concerning the Probability of a Passage thither; unto which is added, a discourse concerning a New Planet, tending to prove, that 'tis probable our earth is one of the Planets

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126114That the Moon may be a World. mentum deſumptum ex paralaxi, non eſt efficax,
aut
ſi eſt efficax, eorum inſtrumentorum uſum de-
cipere
, vel ratione aſtri, vel medii, vel diſtantiæ,
aut
ergo erat in ſuprema parte aeris, aut ſi in cælo,
tum
forſan factum erat ex reflectione radiorum Sa-
turni
&
Foves, qui tunc in conjunctione fuerant.
Either the Argument from the Paralax is
not efficacious, or if it be, yet the uſe of the
Inſtruments might deceive, either in regard
of the Star, or the Medium, or the diſtance,
and ſo this Comet might be in the upper Re-
gions of the Air;
or if it were in the Hea-
vens, there it might be produc’d by the Re-
flection of the Rays from Saturn and Fupiter,
who were then in Conjunction.
You ſee
what
ſhifts he is driven to, how he runs up
and
down to many ſtartling Holes, that he may
find
ſome ſhelter, and inſtead of the ſtrength
of
reaſon, he anſwers with a multitude of
Words
, thinking (as the Proverb is) that he
may
uſe Hail, when he hath no Thunder.
Ni-
hil
turpius (ſaith Seneca) dubio &
incerto, pedem
11Epiſt. 95. modo referente, modo producente.
‘What can
there be more unſeemly in one that ſhould
be a fair diſputant, than to be now here, now
there, and ſo uncertain, that one cannot tell
where to find him?
He thinks there are not Cc-
mets
in the Heavens, becauſe there may be
many
other reaſons of ſuch appearances;
but
what
he knows not;
perhaps, he ſays, that Ar-
gument
from the Paralax is not ſufficient, or if
it
be, then there may be ſome deceit in the
22Vide Gali-
læum
. Syſt.
muudi
col-
loq
. 3.
Obſervation.
To this I may ſafely ſay, that he
may
juſtly be accounted a weak Methematician
who
miſtruſts the ſtrength of this Argument;

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