Catechism of the Catholic Church §2740 — excerpt
The prayer of Jesus makes Christian prayer an efficacious petition. He is its model, he prays in us and with us. Since the heart of the Son seeks only what pleases the Father, how could the prayer of the children of adoption be centered on the gifts rather than the Giver?
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.