501. Verse 7. And the first angel sounded, and there was hail and fire mingled with blood; and they were cast unto the earth; and the third part of the trees was burnt up, and all green grass was burnt up. 7. "And the first angel sounded," signifies influx out of heaven, and in consequence the first change (n. 502); "and there was hail and fire mingled with blood," signifies the destroying infernal falsity and evil, mingled with the truths and goods of the Word, to which violence was offered (n. 503, 504); "and they were cast unto the earth," signifies progression towards the lower parts (n. 505); "and the third part of the trees was burnt up," signifies that the perceptions and knowledges of truth and good were destroyed by cupidities arising from evil loves (n. 506); "and all green grass was burnt up," signifies that all true knowledge [scientificum] was destroyed by the cupidities of the same loves (n. 507).