Chapter 17 — Part II: The Sacraments — Confirmation
Section 8. Since, then, by the grace of Baptism we are begotten unto newness of life, whereas by that of Confirmation we grow to full maturity, having put away the things of a child, we can sufficiently understand that the same difference that exists in the natural life between birth and growth exists also between Baptism, which regenerates, and Confirmation, by virtue of which growth and perfect spiritual strength are imparted to the faithful.