Catechism of the Catholic Church §2577 — excerpt
From this intimacy with the faithful God, slow to anger and abounding in steadfast love, Moses drew strength and determination for his intercession. He does not pray for himself but for the people whom God made his own.
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.