Catechism of the Catholic Church §134 — excerpt
"All Sacred Scripture is but one book, and that one book is Christ, because all divine Scripture speaks of Christ, and all divine Scripture is fulfilled in Christ" (Hugh of St.
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.