Glossolalia, the "speaking in tongues" of Pentecostalism, sometimes interpreted as the speech of angels transmitted through humans
When Rosie meets Pierce again, she tells him, to his horror, of her experience speaking in tongues, and the Powerhouse's plans of producing a restored Aramaic New Testament rejecting linguistic scholarship, in favour of charismatic experience.
At and around the dedication, many extraordinary events were reported: appearances by Jesus, Moses, Elijah, Elias, and numerous angels; speaking and singing in tongues, often with translations; prophesying; and other spiritual experiences.