Catechism of the Catholic Church §2576 — excerpt
"Thus the Lord used to speak to Moses face to face, as a man speaks to his friend." Moses' prayer is characteristic of contemplative prayer by which God's servant remains faithful to his mission.
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.