Catechism of the Catholic Church §480 — excerpt
Jesus Christ is true God and true man, in the unity of his divine person; for this reason he is the one and only mediator between God and men.
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.