Galilei, Galileo
,
The systems of the world
,
1661
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ſuch why ſhould we throw away our time and breath in vain?</
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>SIMPI. </
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>I muſt confeſs I have not made the obſervations, for
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that I never had ſo much curioſity, or the Inſtruments proper for
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the buſineſs; but I will not fail to do it. </
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<
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>In the mean time, we
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may leave this queſtion in ſuſpenſe, and paſs to that point which
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follows, producing the motives inducing you to think that the
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Earth may reflect the light of the Sun no leſs forceably than the
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Moon, for it ſeems to me ſo obſcure and opacous, that I judg ſuch
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an effect altogether impoſſible.</
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>SALV. </
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<
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>The cauſe for which you repute the Earth unapt for
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illumination, may rather evince the contrary: And would it not
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be ſtrange,
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Simplicius,
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if I ſhould apprehend your diſcourſes
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ter than you your ſelf?</
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>SIMPL. </
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>Whether I argue well or ill, it may be, that you may
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better underſtand the ſame than I; but be it ill or well that I
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diſcourſe, I ſhall never believe that you can penetrate what I mean
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better than I my ſelf.</
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>SALV. Well, I will make you believe the ſame preſently. </
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<
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>Tell
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me a little, when the Moon is near the Full, ſo that it may be ſeen
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by day, and alſo at midnight, at what do you think it more
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did, by day or by night?</
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>SIMPL. </
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<
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>By night, without all compariſon. </
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>And methinks
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the Moon reſembleth that pillar of Clouds and pillar of Fire,
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which guided the
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Iſraelites
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; which at the preſence of the Sun,
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appeared like a Cloud, but in the night was very glorious. </
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>Thus
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I have by day obſerved the Moon amidſt certain ſmall Clouds,
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juſt as if one of them had been coloured white, but by night it
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ſhines with much ſplendor.</
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The Moon
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pears brighter by
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night than by day.
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The Moon
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held in the day
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time, is like to a
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little cloud.
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<
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>SALV. </
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<
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>So that if you had never happened to ſee the Moon,
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ſave onely in the day time, you would not have thought it more
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ſhining than one of thoſe Clouds.</
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>SIMPL. </
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>I verily believe I ſhould not.</
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<
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>SALV. </
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<
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>Tell me now; do you believe that the Moon is really
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more ſhining in the night than day, or that by ſome accident it
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ſeemeth ſo?</
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<
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>SIMPL. </
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>I am of opinion, that it reſplends in it ſelf as much in
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the day as night, but that its light appears greater by night,
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cauſe we behold it in the dark mantle of Heaven; and in the day
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time, the whole Atmoſphere being very clear, ſo that ſhe little
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exceedeth it in luſtre, ſhe ſeems to us much leſs bright.</
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<
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>SALV. </
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<
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>Now tell me; have you ever at midnight ſeen the
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reſtrial Globe illuminated by the Sun?</
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<
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>SIMPL. </
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<
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>This ſeemeth to me a queſtion not to be ask'd, unleſs
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in jeſt, or of ſome perſon known to be altogether void of ſenſe.</
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<
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>SALV. No, no; I eſteem you to be a very rational man, and </
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