412. Verse 12. And the fourth angel sounded, signifies the exploration and manifestation of the state of the church with those whose religion is faith alone, that they are in the evils of falsity, and in the falsities of evil. That this is the signification of these words, is evident from what follows, when understood in the spiritual sense. "To sound" signifies here, as before, to explore and make manifest (n. 398, 402, 407).