Catechism of the Catholic Church §2858 — excerpt
By asking "hallowed be thy name" we enter into God's plan, the sanctification of his name - revealed first to Moses and then in Jesus - by us and in us, in every nation and in each 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.