Gen.1.6

God spoke: "Sky! In the middle of the waters; separate water from water!"

Gen.1.6

And God said, "Let there be an expanse between the waters to separate water from water."

Gen.1.6

Then God said, "Let there be a firmament in the midst of the waters, and let it divide the waters from the waters."

Gen.1.6

And God said, "Let there be space between the waters, to separate water from water."