Catechism of the Catholic Church
Part Two: The Sacraments of Faith
15 The second part of the Catechism explains how God's salvation, accomplished once for all through Christ Jesus and the Holy Spirit, is made present in the sacred actions of the Church's liturgy (Section One), especially in the seven sacraments (Section Two).
Notes:
English Translation of the Cathechism of the Catholic Church for the United States of America © 1997, United States Catholic Conference, Inc.