Catechism of the Catholic Church §1923 — excerpt
Political authority must be exercised within the limits of the moral order and must guarantee the conditions for the exercise of freedom.
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.