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.
2 Corinthians 6:14
14
Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?