So God made the expanse and separated the waters beneath it from the waters above. And it was so.
The firmament is not a wall that shuts heaven off from earth but a way of intercourse between them. God appointed the air to be the vehicle of light's beams and the medium by which the invisible world communicates with the visible, spanning that vast distance yet leaving passage open.
AI summary
Commenting on Genesis 1:6-8
God spoke the firmament into being and spread it in that enormous space between the heaven of heavens and our earth. It divides the waters in the clouds above from those gathered on the earth below, and it remains firm and stable, answering this purpose from the first day onward.
AI summary
The atmosphere draws up the lighter waters from the earth's surface and suspends them in the visible heavens while the heavier mass remains below. By this single creative act, air stands in the midst of the waters and separates them, fulfilling the only use Scripture mentions.
AI summary
Commenting on Genesis 1:6-8