The devotion which God sends to the succor of His Church and of the nations at the present time is the devotion to the Most Holy Eucharist. It is the highest of all devotions.
Pope Leo XIIIThe fact that God gave the whole human race the earth to use and enjoy cannot indeed in any manner serve as an objection against private possessions.
Pope Leo XIIIInasmuch as the domestic household is antecedent, as well as in idea as in fact, the family must necessarily have rights and duties which are prior than those of the Community and founded more immediately in nature.
Pope Leo XIII