Catechism of the Catholic Church §2750 — excerpt
By entering into the holy name of the Lord Jesus we can accept, from within, the prayer he teaches us: "Our Father!" His priestly prayer fulfills, from within, the great petitions of the Lord's Prayer: concern for the Father's name; passionate zeal for his kingdom…
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.