The Bible

Genesis 1:7

⁷ And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.

Commentary

Great lights

Great lights, as in luminaries, signify love and faith, and are called in Genesis 1:14-17 the sun, moon, and stars.

(References: Arcana Coelestia 31 [1-3])

The Bible

Psalms 104:6

⁶ Thou coveredst it with the deep as with a garment: the waters stood above the mountains.