Gregory the Dialogist

His Spirit garnished the heavens. [MYSTICAL INTERPRETATION] What 'heavens,' saving those concerning whom it is written, The heavens are telling the glory of God? Which 'heavens His Spirit garnished' then, when It 'filled' them. Which we have learnt by Luke's relating, who saith, Suddenly there came a sound from heaven, as of a rushing mighty wind, and it filled all the house where they were sitting; and there appeared unto them cloven tongues like as of fire, and it sat upon each of them and they were all filled with the Holy Ghost, …

Morals on the Book of Job, Book XVII ↗

Thomas Aquinas

Therefore, the spiritual gifts for the good angels were increased as he fell, and so he says, "his spirit has adorned the heavens," that is, he has adorned the heavenly spirits with the adornment of spiritual gifts. It was not fitting that he who had fallen by the privation of his glory should remain endowed with his gifts through the Holy Spirit, and so he says, "and by his hand he has played midwife and he drew out," from the society of the good angels, "the coiled serpent," the devil, who is compared to a serpent because of the …

Commentary on Job ↗