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22 Over the head of the living creature there was the likeness of an expanse, like the awesome crystal to look on, stretched forth Over their heads above.
In Matthew 27:9, this signifies placing little value on truth. (Arcana Coelestia 2276[2])
22 Now the hand of Yahweh had been on me in the evening, before he who was escaped came; and he had opened my mouth, until he came to me in the morning; and my mouth was opened, and I was no more mute.