each other, and always in the same place, as the Sun does
in the center of our system. The probability, therefore, is that each of
those fixed stars is also a Sun, round which another system of worlds or
planets, though too remote for us to discover, performs its revolutions,
as our system of worlds does round our central Sun. By this easy
progression of ideas, the immensity of space will appear to us to be
filled with systems of worlds; and that no part of space lies at
waste, any more than any part of our globe of earth and water is left
unoccupied.
Having thus endeavoured to convey, in a familiar and easy manner, some
idea of the structure of the universe, I return to explain what I before
alluded to, namely, the great benefits arising to man in consequence of
the Creator having made a Plurality of worlds, such as our system is,
consisting of a central Sun and six worlds, besides satellites, in
preference to that of creating one world only of a vast extent.
CHAPTER XV - ADVANTAGES OF THE EXISTENCE OF MANY WORLDS IN EACH SOLAR
SYSTEM.
IT is an idea I have never lost sight of, that all our knowledge of
science is derived from the revolutions (exhibited to our eye and from
thence to our understanding) which those several planets or worlds of
which our system is composed make in their circuit round the Sun.
Had then the quantity of matter which these six worlds contain been
blended into one solitary globe, the consequence to us would have
been, that either no revolutionary motion would have existed, or not a
sufficiency of it to give us the ideas and the knowledge of science we
now have; and it is from the sciences that all the mechanical arts that
contribute so much to our earthly felicity and comfort are derived.
As therefore the Creator made nothing in vain, so also must it be
believed that he organized the structure of the universe in the most
advantageous manner for the benefit of man; and as we see, and from
experience feel, the benefits we derive from the structure of the
universe, formed as it is, which benefits we should not have had the
opportunity of enjoying if the structure, so far as relates to our
system, had been a solitary globe, we can discover at least one reason
why a plurality of worlds has been made, and that reason calls forth the
devotional gratitude of man, as well as his admiration.
But it is not to us, the inhabitants of this globe, only, that the
benefits arising from a plurali
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