The Minor Works of Marsilio Ficino

Finally, in the World Soul The "Anima Mundi," an intrinsic spirit that Neoplatonists believed surrounded and animated the entire universe, acting as a bridge between the spiritual and physical realms., this light is mobile and, through the moon, changeable in its brilliance. Similarly, even beneath the heavens, it is sent down first through fire, second through air, and finally third through water. In short, just as the higher stars are illuminated by the sun in an unchanging way, while the moon receives its light from there in a changeable manner, so too are the angels illuminated by God immutably original: "immobiilter" — meaning without change or fluctuation., while souls are illuminated in a changing, mobile fashion.

The similarity of the sun to the divine Trinity and the nine orders of angels. Also concerning the nine deities in the sun and the nine Muses around the sun. Chapter XII.

Nothing in the world is found to be more similar to the divine Trinity than the sun. For in the single substance of the sun, three specific things are distinct from one another, yet equally united. First is its natural fecundity original: "fecunditas" — the inherent, creative power or "fertility" of the solar body to generate light and heat. itself, which is entirely hidden from our senses. Second is the manifest light of this same sun, arising from that very fecundity...