Arcana Coelestia #1067
1067. Verse 20 And Noah began to be a man (vir) of the ground, and planted a vineyard.
'Noah began to be a man of the ground' means in general a person who has been instructed from matters of doctrine concerning faith. 'And he planted a vineyard' means the Church resulting from this, 'vineyard' being the spiritual Church.
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In Exodus 3:12, this signifies a confirmation of the truth that the Divine proceeded from Himself. (Arcana Coelestia 6870)
(References: Arcana Coelestia 1039, Genesis 9:12, 9:13, 9:17)