7. If one observes such a diversity in matter, it is because the forces which have presided at its transformations, the conditions in which they are produced being unlimited in number, the various combinations of matter must be unlimited also.
Then the substance that one desires to comprehend belongs properly to fluids; that is to say, imponderable bodies, or it may be those dressed with the ordinary properties of matter. There is in all the universe only one primitive substance — the cosmic matter, or cosmos of uranography.
