4538. CONCERNING THINGS MAGICAL. There are also other magical arts in which spirits are adapts in the other life that have been acquired by some in the world; to wit, those which are effected by entering into the ideas of others, and into the delights of others, holding the mind fixed in them, and thus impelling to actuality. A certain one was such while be lived on the earth (:Sverin:), and he showed by such things how [spirits of that class] excite.