Stretch out the earth and heavens
This is a common phrase in the prophets when discussing spiritual regeneration.
(References: Arcana Coelestia 25; Isaiah 44:24)
Forest of the south
The forest of the south, as in Ezekiel 20:46, 47, signifies people in the light of truth and extinguish it.
(References: Arcana Coelestia 1458)