CCC 2643
Christian Prayer›SECTION ONE PRAYER IN THE CHRISTIAN LIFE›CHAPTER ONE THE REVELATION OF PRAYER - THE UNIVERSAL CALL TO PRAYER›V. Prayer of Praise
The Eucharist contains and expresses all forms of prayer: it is "the pure offering" of the whole Body of Christ to the glory of God's name and, according to the traditions of East and West, it is the "sacrifice of praise."