Catechism of the Catholic Church §2662 — excerpt
The Word of God, the liturgy of the Church, and the virtues of faith, hope, and charity are sources of prayer.
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.