Catechism of the Catholic Church §2597 — excerpt
Prayed and fulfilled in Christ, the Psalms are an essential and permanent element of the prayer of the Church. They are suitable for men of every condition and time.
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.