(SEE 11:17)
But God answered: No! You and Sarah will have a son. His name will be Isaac, and I will make an everlasting promise to him and his descendants.
But God said, "Abraham, don't worry about your slave woman and the boy. Just do what Sarah tells you. Isaac will inherit your family name,
In fact, when God made the promise to Abraham, he meant only Abraham's descendants by his son Isaac. God was talking only about Isaac when he promised
Long ago in many ways and at many times God's prophets spoke his message to our ancestors.