501. Verse 7. And the first angel sounded, and there followed hail and fire mingled with blood; and they were cast upon the earth; and the third part of the trees was burnt up, and all green grass was burnt up." The first angel sounded," signifies influx out of heaven, and thence the first change and there followed hail and fire, mingled with blood," signifies infernal falsity and evil destroying, intermingled with the truths and goods of the Word, to which violence was done; "and they were cast upon the earth," signifies progression toward the lower parts;" and the third part of the trees was burnt up," signifies that the perceptions and cognitions of truth and good, were destroyed by unbridled desires springing from evil loves; "and all green grass was burnt up," signifies that all scientific truth (scientificum verum) also perished through the unbridled desires of the same loves.