This power becomes particularly irresistible when exercised by those who, because they hold and control money, are able also to govern credit and determine its allotment, for that reason supplying, so to speak, the lifeblood to the entire economic body, and grasping, as it were, in their hands the very soul of production, so that no one dare breathe against their will.
Pope Pius XIOne should not withdraw from individuals and commit to the community what they can accomplish by their own enterprise and industry
Pope Pius XI"Religious Socialism," "Christian Socialism," are expressions implying a contradiction in terms.
Pope Pius XIIt is not possible for Christians to take part in anti-Semitism. We are Semites spiritually.
Pope Pius XIThis organic conception of society, the only vital conception, combines a noble humanism with the genuine Christian spirit, and it bears the inscription from Holy Writ which St. Thomas has explained: "The work of justice shall be peace"; a text applicable to the life of a people whether it be considered in itself or in its relations with other nations.
Pope Pius XIThis [the opening of the Vatican City radio station built by Marconi earlier in 1931] was a new demonstration of the harmony between science and religion that each fresh conquest of science ever more luminously confirms, so that one may say that those who speak of the incompatibility of science and religion either make science say that which it never said or make religion say that which it never taught.
Pope Pius XI