Catechism of the Catholic Church §2583 — excerpt
After Elijah had learned mercy during his retreat at the Wadi Cherith, he teaches the widow of Zarephath to believe in the Word of God and confirms her faith by his urgent prayer: God brings the widow's child back to life.
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.