In the third vision the prophet observes God with a plumb line, standing on a wall (the exact wall is not identified) in order to determine if the wall is plumb (7:6–9). This symbolizes God’s work of examining the nation of Israel to find out if it is upright or if it is falling over and in need of destruction. Does Israel meet God’s specifications in the covenant: loving God with all their hearts? Are they holy as God is holy? Do the people live according to the instructions God has given them? It is evident that Israel is not plumb and does not meet God’s standards, for the interpretation of the vision (7:9) indicates that God plans to bring some nation against Israel in order to destroy its pagan high places, their k…