Whether considered as a doctrine, or as an historical fact, or as a movemement, socialism, if it really remains socialism, cannotbe brought into harmony with the dogmas of the Catholic church.... Religious socialism, Christian socialism, are expressions implying a contradiction in terms.
Pope Pius XIWhen once men recognize, both in private and in public life, that Christ is King, society will at last receive the great blessings of real liberty, well-ordered discipline, peace and harmony.
Pope Pius XICapitalism itself is not to be condemned. And surely it is not vicious of its very nature, but it has been vitiated.
Pope Pius XIWhat could ever be a sufficient reason for excusing in any way the direct murder of the innocent? This is precisely what we are dealing with here. Whether inflicted upon the mother or upon the child, it is against the precept of God and the law of nature: 'Thou shalt not kill.'
Pope Pius XIAmong the various supplications with which we successfully appeal to the Virgin Mother of God, the Holy Rosary without doubt occupies a special and distinct place. This prayer, which some call the Psalter of the Virgin or Breviary of the Gospel and of Christian life, was described and recommended by Our Predecessor of happy memory, Leo XIII
Pope Pius XI