Catechism of the Catholic Church §122 — excerpt
Indeed, "the economy of the Old Testament was deliberately SO oriented that it should prepare for and declare in prophecy the coming of Christ, redeemer of all men."
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 15