Justice requires that to lawfully constituted Authority there be given that respect and obedience which is its due; that the laws which are made shall be in wise conformity with the common good; and that, as a matter of conscience all men shall render obedience to these laws.
Pope Pius XIFrom it (the Rosary) the young will draw fresh energy with which to control the rebellious tendencies to evil and to preserve intact the stainless purity of the soul. Also in it, the old will again find repose, relief, and peace from their anxious cares. And to all those who suffer in any way, especially the dying, may it bring comfort and increase the hope of eternal happiness.
Pope Pius XIIt violates right order whenever capital so employs the working or wage-earning classes as to divert business and economic activity entirely to its own arbitrary will and advantage, without any regard to the human dignity of the workers, the social character of economic life, social justice, and the common good.
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 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 XI