Arcana Coelestia # 87
87. Another reason why the celestial man is the Sabbath or rest is that conflict ceases when he becomes celestial. Evil spirits withdraw and good spirits approach, as do celestial angels. When these are present evil spirits cannot possibly be present too, but flee far away. And because it was not the person himself who fought but the Lord alone on his behalf, it is said that 'the Lord rested'.
To dawn from Seir
In Deuteronomy 33:2, this means that the Lord made even the Natural in Himself Divine in order that this also might be a source of light, that is, of intelligence and wisdom. (Arcana Coelestia 4240)