106. But what and of what quality those societies are which belong to each organ of generation, is not given to know, for they are interior. They refer also to the uses of those organs which are hidden and also removed from knowledge; for the reason, which is providential, that such things which are in themselves most celestial may not be injured by filthy thoughts, which are of lasciviousness, whoredom, and adultery, which thoughts are excited with many when those organs are only named. From the Arcana Coelestia [n. 5055].