Arcana Coelestia #486
486. Verse 4 And the days of Man after he beget Seth were eight hundred years; and he beget sons and daughters.
'Days' means periods of time and states in general. 'Years' means periods of time and states in particular. 'Sons and daughters' means the truths and goods that they perceived.
2 Corinthians 10:3-6
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For though we walk in the flesh, we don't wage war according to the flesh;
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for the weapons of our warfare are not of the flesh, but mighty before God to the throwing down of strongholds,
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throwing down imaginations and every high thing that is exalted against the knowledge of God, and bringing every thought into captivity to the obedience of Christ;
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and being in readiness to avenge all disobedience, when your obedience will be made full.
