O Mary Mother of Mercy and Refuge of Sinners! We beseech thee to look with pitying eyes on poor heretics and schismatics. Do thou, who art the Seat of Wisdom, enlighten the minds wretchedly enfolded in the darkness of ignorance and sin, that they may clearly recognize the Holy, Catholic, Roman Church to be the only true Church of Jesus Christ, outside of which neither sanctity nor salvation can be found.
Pope Pius XIIGod did not create a human family made up of segregated, dissociated, mutually independent members. No; he would have them all united by the bond of total love of Him and consequent self-dedication to assisting each other to maintain that bond intact.
Pope Pius XIITeaching Authority of the Church does not forbid ... research and discussions ... with regard to the doctrine of evolution.
Pope Pius XIITrue Christianity today is not different from primitive Christianity ... She remains what she has been since her foundation: always the same.
Pope Pius XIIAbove all, the state of grace is absolutely necessary at the moment of death; without it, salvation and supernatural happiness the beatific vision of God - are impossible.
Pope Pius XIISome say they are not bound by the doctrine which teaches that the Mystical Body of Christ and the Roman Catholic Church are one and the same thing. Some reduce to a meaningless formula the necessity of belonging to the true Church in order to gain eternal salvation. Others finally belittle the reasonable character of the credibility of Christian Faith. These and like errors, it is clear, have crept in among certain of our sons who are deceived by imprudent zeal for souls or by false science.
Pope Pius XII