Catechism of the Catholic Church §302 — excerpt
Creation has its own goodness and proper perfection, but it did not spring forth complete from the hands of the Creator. the universe was created "in a state of journeying" (in statu viae) toward an ultimate perfection yet to be attained, to which God has destined it.
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: Vatican Council I, Dei Filius I: DS 3003