Catechism of the Catholic Church §165 — excerpt
It is then we must turn to the witnesses of faith: to Abraham, who "in hope... believed against hope"; to the Virgin Mary, who, in "her pilgrimage of faith", walked into the "night of faith" in sharing the darkness of her son's suffering and death;…
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.
Also cites: LG 58 · John Paul II, RMat 18