Catechism of the Catholic Church §1420 — excerpt
Through the sacraments of Christian initiation, man receives the new life of Christ. Now we carry this life "in earthen vessels," and it remains "hidden with Christ in God."
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.