Catechism of the Catholic Church §1903 — excerpt
Authority is exercised legitimately only when it seeks the common good of the group concerned and if it employs morally licit means to attain it.
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.
Also cites: John XXIII PT 51
