Catechism of the Catholic Church §483 — excerpt
The Incarnation is therefore the mystery of the wonderful union of the divine and human natures in the one person of the Word.
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.