In 735 BC Isaiah gave a prophecy to king Ahaz about a young woman giving birth to a boy called Immanuel—a prophecy that seemed to be fulfilled with the birth of Hezekiah and the destruction of Aram and Samaria. But there was to be a much deeper fulfillment of this prophecy—as deep as Sheol, as high as heaven—because the testimony of JESUS is the spirit of prophecy.