Sacred and Truly Christian Philosophy, or Cosmic Meteorology

...insofar as they are in perpetual motion, either toward generation the coming-to-be of a new substance or toward corruption the decay or breakdown of a substance into its components, as has been more clearly demonstrated below in its proper place. Therefore, mixed principles are either primary—namely, those which are immediately and directly drawn from the substantial principles of nature of the second order, specifically from the elements; and two of this kind are recognized by the Philosophers likely referring to Aristotle and his commentators: namely, Vapor and Exhalation. Or they are secondary—that is, those flowing immediately from the primary ones, such as Meteors Meteora: atmospheric phenomena including clouds, rain, wind, and comets or "imperfect mixtures." From these, composite bodies are immediately produced, and through their dissolution, they result back into their primary elements. For the sake of a more concise method, we have condensed these principles in the following manner: