공부
13 And between the living beings it was like burning coals of fire, as if flames were going one after the other between the living beings; and the fire was bright, and out of the fire went thunder-flames.
'Waters,' 'rivers,' and 'depths,' as in Psalm 78:15-16, signify truths from the Lord.
(참조: Arcana Coelestia 2702 [1-17])