Men will see in their king or in their rulers men like themselves perhaps unworthy or open to criticism, but they will not on that account refuse obedience if they see reflected in them the authority of Christ, God and Man. Peace and harmony, too, will result; for with the spread and the universal extension of the kingdom of Christ, men will become more and more conscious of the link that binds them together, and thus many conflicts will either be prevented entirely or at least their bitterness be diminished.
Pope Pius XICatholics can in no way convince themselves that so enormous and unjust an in equality in the distribution of this world's goods truly conforms to the designs of the all-wise Creator.
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 XIIn his laborious efforts to attain mountaintops, where the air is lighter and purer, the climber gains new strength of limb. In the endeavor to over come obstacles of the way, the soul trains itself to conquer difficulties; and the spectacle of the vast horizon, which from the highest crest offers itself on all sides to the eyes, raises his spirit to the Divine Author and Soverign of Nature.
Pope Pius XIFurthermore, in this one Church of Christ no man can be or remain who does not accept, recognize and obey the authority and supremacy of Peter and his legitimate successors.
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 XITo each, therefore, must be given his own share of goods, and the distribution of created goods, which, as every discerning person knows, is laboring today under the gravest evils due to the huge disparity between the few exceedingly rich and the unnumbered propertyless, must be effectively called back to and brought into conformity with the norms of the common good, that is, social justice.
Pope Pius XI