Every tree, every plant, every leaf, serves not only as an habitation, but as a world to some numerous race, till animal existence becomes so exceedingly refined, that the effluvia of a blade of grass would be food for thousands.
Since then no part of our earth is left unoccupied, why is it to be supposed that the immensity of space is a naked void, lying in eternal waste?
There is room for millions of worlds as large or larger than ours, and each of them millions of miles apart from each other.
Having now arrived at this point, if we carry our ideas only one thought further, we shall see, perhaps, the true reason, at least a very good reason for our happiness, why the Creator, instead of making one immense world, extending over an immense quantity of space, has preferred dividing that quantity of matter into several distinct and separate worlds, which we call planets, of which our earth is one.

But before I explain my ideas upon this subject, it is necessary (not for the sake of those that already know, but for those who do not) to show what the system of the universe is..