In Jeremiah 49:28, in the opposite sense, signifies people who know celestial and spiritual things but merely to appear wise. (Arcana Coelestia 3048[6])

(References: Arcana Coelestia 3048)

8786. And Jehovah said unto Moses. That this signifies a revelation about the preparation, is evident from the signification of “saying,” when by Jehovah, as being revelation from the Divine. That it denotes revelation about preparation, is evident from what follows, for there the subject treated of is the manner in which they were to be prepared to receive truth from the Divine.