Catechism of the Catholic Church §2713 — excerpt
Contemplative prayer is the simplest expression of the mystery of prayer. It is a gift, a grace; it can be accepted only in humility and poverty.
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.