“Sing, O barren one, who did not bear; break forth into singing and cry aloud, you who have not been in labor! For the children of the desolate one will be more than the children of her who is married,” says the Lord. “Enlarge the place of your tent, and let the curtains of your habitations be stretched out; do not hold back; lengthen your cords and strengthen your stakes. For you will spread abroad to the right and to the left, and your offspring will possess the nations and will people the desolate cities. Isaiah 54:1-3 (ESV)
Fertility Promise Enabled by Oppression, But the more they were oppressed, the more they multiplied and the more they spread abroad. And the Egyptians were in dread of the people of Israel. Exodus 1:12 (ESV)