The Bible

Genesis 1:22

²² And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth.

The Bible

Genesis 9:6

⁶ Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man.

Commentary

Spreading themselves

'Spreading themselves on the earth,' as in Genesis 8:17, signifies the internal self operating on the external.

(References: Arcana Coelestia 913)