Catechism of the Catholic Church §2144 — excerpt
Respect for his name is an expression of the respect owed to the mystery of God himself and to the whole sacred reality it evokes.
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 Henry Cardinal Newman, Parochial · Plain Sermons V, 2 (London: Longmans, Green · Co., 1907) 21-22