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13 So he measured the house, a hundred cubits long; and the separate place, and the building, with its walls, a hundred cubits long;
In Amos 4:7, this signifies the doctrine of faith from charity, and the doctrine of faith without charity. (Arcana Coelestia 382[2])
15 And he that talked with me, had a golden reed to measure the city, and its gates, and its wall.