God blessed them and said, “Have many children and grow in number. Fill the earth and be its master. Rule over the fish in the sea and over the birds in the sky and over every living thing that moves on the earth.”
Then the Lord spoke his word to Abram: “He will not be the one to inherit what you have. You will have a son of your own who will inherit what you have.”
God said, “No, Sarah your wife will have a son, and you will name him Isaac. I will make my agreement with him to be an agreement that continues forever with all his descendants.
They blessed Rebekah and said, “Our sister, may you be the mother of thousands of people, and may your descendants capture the cities of their enemies.”
The Lord said to her, “Two nations are in your body, and two groups of people will be taken from you. One group will be stronger than the other, and the older will serve the younger.”
Kings will teach your children, and daughters of kings will take care of them. They will bow down before you and kiss the dirt at your feet. Then you will know I am the Lord. Anyone who trusts in me will not be disappointed.”
Abraham’s son from the slave woman was born in the normal human way. But the son from the free woman was born because of the promise God made to Abraham.
Sarah obeyed Abraham, her husband, and called him her master. And you women are true children of Sarah if you always do what is right and are not afraid.