"Marriage and the family are institutions that must be promoted and defended from every possible misrepresentation of their true nature, since whatever is injurious to them is injurious to society itself”
“In this regard, particular mention must be made of the powerful political and cultural currents seeking to alter the legal definition of marriage. The Church’s conscientious effort to resist this pressure calls for a reasoned defense of marriage as a natural institution consisting of a specific communion of persons, essentially rooted in the complementarity of the sexes and oriented to procreation. Sexual differences cannot be dismissed as irrelevant to the definition of marriage. Defending the institution of marriage as a social reality is ultimately a question of justice, since it entails safeguarding the good of the entire human community and the rights of parents and children alike.”