Chapter 18 — Part II: The Sacraments — The Holy Eucharist
Section 11. It is also frequently called the Viaticum by sacred writers, both because it is spiritual food by which we are sustained in our pilgrimage through this life, and also because it paves our way to eternal glory and happiness. Wherefore, according to an ancient usage of the Catholic Church, we see that none of the faithful are permitted to die without this Sacrament.