Catechism of the Catholic Church §180 — excerpt
"Believing" is a human act, conscious and free, corresponding to the dignity of the human person.
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.
