Catechism of the Catholic Church §1900 — excerpt
The duty of obedience requires all to give due honor to authority and to treat those who are charged to exercise it with respect, and, insofar as it is deserved, with gratitude and good-will.
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: St. Clement of Rome, Ad Cor. 61: SCh 167,198-200