 Look at it, though, verse 19. You'll call his name Isaac. I will establish my covenant with him for an everlasting covenant and with his seed after him. Not Ishmael, Isaac. And as for Ishmael, I have heard thee. Behold, I have blessed him and will make him fruitful and will multiply him exceedingly. Twelve princes shall he beget and I will make him a great nation. But my covenant...