Catechism of the Catholic Church §1268 — excerpt
The baptized have become "living stones" to be "built into a spiritual house, to be a holy priesthood." By Baptism they share in the priesthood of Christ, in his prophetic and royal 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.