Catechism of the Catholic Church §2592 — excerpt
The prayer of Abraham and Jacob is presented as a battle of faith marked by trust in God's faithfulness and by certitude in the victory promised to perseverance.
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.