Catechism of the Catholic Church §481 — excerpt
Jesus Christ possesses two natures, one divine and the other human, not confused, but united in the one person of God's Son.
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.