Catechism of the Catholic Church §131 — excerpt
"and such is the force and power of the Word of God that it can serve the Church as her support and vigour, and the children of the Church as strength for their faith, food for the soul, and a pure and lasting fount of spiritual 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.
Also cites: DV 21 · DV 22