Catechism of the Catholic Church §1891 — excerpt
The human person needs life in society in order to develop in accordance with his nature. Certain societies, such as the family and the state, correspond more directly to the nature of man.
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.