Strength of a house
In Psalm 147:10, 'the strength of a house' signifies the human power of thinking truth.
(References: Arcana Coelestia 2826 [1-14])
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)