Catechism of the Catholic Church §2257 — excerpt
Every society's judgments and conduct reflect a vision of man and his destiny. Without the light the Gospel sheds on God and man, societies easily become totalitarian.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.