Cersei asks if she will wed the prince. Maggy responds, “You will never wed the prince. You will wed the king.”
Cersei asks if she will be queen. Maggy responds, “Oh, yes. You’ll be queen. For a time. Then comes another, younger, more beautiful, to cast you down and take all you hold dear.”
Cersei asks if she and the king will have children. Maggy responds, “No. The king will have 20 children and you will have three. Gold will be their crowns, gold their shrouds.”
The last line from the books is not in the show.