I will make sure you and your children, and the woman and her children, are enemies. One of her children will crush your head, and you will strike his heel.”
This is why the Lord himself is going to give you a sign. Look! The virgin will become pregnant and give birth to a son, and she will call him Immanuel.
How long are you going to waver in your decision, you unfaithful daughter? For the Lord has made something new happen here: a woman is going to protect a man.
This is how the birth of Jesus the Messiah happened. His mother, Mary, was engaged to Joseph, but before they slept together she became pregnant by the Holy Spirit.