966. The suprarenal glands, then, draw toward themselves the fluid of the [animate] spirits, or of the purer blood. They do this by fixing their inner sight on the elements that are not so grossly unclean, but inwardly unclean - they attract them because they fix their inner sight on them, and thereby the purer elements, freed of them, are raised up unimpaired, and so on. This method is one of the cherubim, [guarding] lest the more unclean things should reach the Lord; so that He in His Divinity may thus be in the heavenly and spiritual regions, and from these as from centers, rule the universe. 1748, 24 February.