The proposition that the principal articles of the Apostles' Creed did not have the same meaning for the Christians of the earliest times as they have for Christians of our time is hereby condemned and proscribed as erroneous.
Pope Pius XThe organic constitution of the Church is not immutable; but Christian society, just as human society, is subject to perpetual evolution.
Pope Pius XIt is an error to believe that Christ did not teach a determined body of doctrine applicable to all times and to all men, but rather that He inaugurated a religious movement adapted, or to be adapted, to different times and different places.
Pope Pius XThe daily adoration or visit to the Blessed Sacrament is the practice which is the fountainhead of all devotional works
Pope Pius X