But how can you know anything of the impression made on others? Who can assure you that others do not draw therefrom incentives to evil? You do not know the depths of human frailty. . . Oh, how truly was it said that if some Christian women could only suspect the temptations and falls they cause in others with modes of dress and familiarity in behavior, which they unthinkingly consider as of no importance, they would be shocked by the responsibility which is theirs.
Pope Pius XIIThese principles have been proclaimed by God, by the Church, by the Saints, by Christian reason and morals.
Pope Pius XIITeaching Authority of the Church does not forbid ... research and discussions ... with regard to the doctrine of evolution.
Pope Pius XIIHuman society is not a machine, and it must not be made such, even in the economic field.... Access to employment [shall not be] made to depend on registration in certain parties or in organization which deal with the distribution of employment.... It is necessary that humanity turn its gaze toward the action of God ... to aid and redeem mankind from all its ills.
Pope Pius XIIBut the knowledge and love of our Divine Redeemer, of which we were the object from the first moment of His Incarnation, exceed all that the human intellect can hope to grasp. For hardly was He conceived in the womb of the Mother of God, when He began to enjoy the Beatific Vision, and in that vision all the members of His Mystical Body were continually and unceasingly present to Him, and He embraced them with His redeeming love
Pope Pius XII