Catechism of the Catholic Church §427 — excerpt
In catechesis "Christ, the Incarnate Word and Son of God,. . is taught - everything else is taught with reference to him - and it is Christ alone who teaches - anyone else teaches to the extent that he is Christ's spokesman, enabling Christ to teach with his lips.
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.
Also cites: CT 6