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.
Later, the Lord again appeared to Abraham near the great trees of Mamre. Abraham was sitting at the entrance of his tent during the hottest part of the day.
The Lord appeared to him that night and said, “I am the God of your father Abraham. Don’t be afraid, because I am with you. I will bless you and give you many descendants because of my servant Abraham.”