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17 And God set them in the firmament of the heaven to give light upon the earth,
In Isaiah 62:2, this signifies to become of another character. (Arcana Coelestia 145)
3 Six years you shall sow your field, and Six years you shall prune your vineyard, and gather in its fruits;
4 but in the seventh year there shall be a Sabbath of solemn rest for the land, a Sabbath to Yahweh. You shall not sow your field or prune your vineyard.