Book on the Universe

of the lower orb. The Primum mobile first moved, or the tenth heaven, carries all things with it daily, ascending from the point of midnight to the meridian, and descending from the meridian to midnight, whence the ancient ratio of the superiors and inferiors. Because it is necessary that all things be done in order under God, and that nothing happen entirely by chance, there are ten kinds of intelligences ordered above the heaven, all ordering those things as if toward a certain end, which, through as many intelligences impressed upon the ten orbs, are moved here as into a place. There is, however, in that place where the elemental fire ought to be, an Ethereal region, extended 32 semidiameters of the earth from the highest region of the air up to the concave of the Moon’s orb, from which the substance of temperament arrives to reconcile the elements. All celestial influxes, therefore, occur in