Lumen de Lumine

Supposing this to be the true Interpretation, let us now see whether it relates more strictly and properly to this principle, than to any other Nature whatsoever. The Aether is a most thin liquid substance, and the Region of it is above the stars, in the Circumference of the Divine Light. This is the true, and famous Ἐμπυραῖον, which receives the Influent Heat of God, and conveys it to the visible Heaven, and all the Inferior Creatures. It is a pure Essence, a thing not tainted with any Materiall Contagion, in which sense it is styl’d of Pythagoras ἐλεύθερος Αἰθὴρ, the free Aether. Quoniam (saith Reuclin) à materiae potentiâ segregatus, & praeservatus in Libertate, calescit Dei Ardore, ac insensibili motu Inferiora calefacit. Because it is freed from the prison of the Matter, and being preserv’d in its liberty, it is warme with the fire of God, and by an insensible motion heats all the Inferior Natures. In a word, because of it’s puritie it is placed next to that Divine Fire, which the Jews call Lumen Vestimenti, and it is the very first Receptacle of the Influences and Derivations of the Supernaturall World, which sufficiently confirms our Etymologie.