Spreading themselves
'Spreading themselves on the earth,' as in Genesis 8:17, signifies the internal self operating on the external.
(References: Arcana Coelestia 913)
Isaiah 48:20-21
20
Go forth from Babylon, flee from the Chaldeans; with a voice of singing declare, tell this, utter it even to the end of the earth: say, Yahweh has redeemed his servant Jacob.
21
They didn't thirst when he led them through the deserts; he caused the waters to flow out of the rock for them; he split the rock also, and the waters gushed out.