Lutheranism has over 70 million adherents today. Its influence in secularized Europe has faded, but many Christians, even Catholics, have sung Luther's famous hymn, "A Mighty Fortress is Our God." Moreover, hundreds of millions of Protestants worldwide agree with Luther that justification is by faith alone. They | Lutheranism has over 70 million adherents today. Its influence in secularized Europe has faded, but many Christians, even Catholics, have sung Luther's famous hymn, "A Mighty Fortress is Our God." Moreover, hundreds of millions of Protestants worldwide agree with Luther that justification is by faith alone. They |