'Sufficiency' relates to the reception of good, because good is the spiritual nourishment of the soul, as natural food is the nourishment of the body.

(References: Apocalypse Explained 376 [1-40])

In Genesis 10:4, this signifies a nation among whose people external worship prevailed. This also signifies doctrinal rituals. (Arcana Coelestia 1152)

In Psalm 72:10, this signifies external worship corresponding to internal. (Arcana Coelestia 1171)

(References: Arcana Coelestia 1156, Genesis 4, 10)