United States Catholic Catechism for Adults

Chapter 17. The Eucharist: Source and Summit of the Christian Life • 219

THE CHURCH AND THE EUCHARIST

The Church draws her life from the Eucharist. This truth does not simply express a daily experience of faith, but recapitulates the heart of the mystery of the Church. In a variety of ways, she joyfully experiences the constant fulfillment of the promise, “Lo, I am with you always, to the close of the age” (Mt 28:20), but in the Holy Eucharist, through the changing of the bread and wine into the Body and Blood of the Lord, she rejoices in this presence with unique intensity. Ever since Pentecost, when the Church, the People of the New Covenant, began her pil grim journey towards her heavenly homeland, the Divine Sacrament has continued to mark the passing of her days, filling them with confident hope. (St. John Paul II, On the Eucharist [ Ecclesia de Eucharistia ; EE], no. 1)

and Blood” (CCC, no. 1350). From the earliest days of the Church, there was also an offering of gifts for the poor and needy. This has become the customary place and time for the parish collection. b. The Eucharistic Prayer (Jesus blessed and gave thanks). This is the heart of the Eucharistic Liturgy, which unfolds in the following manner. • Thanksgiving (expressed especially in the Preface): In this prayer, we thank God the Father, through Christ in the Spirit, for the gifts of creation, salvation, and sanctification. • Acclamation : The whole congregation joins with the angels and saints in singing or saying the Sanctus (Holy, Holy). • Epiclesis (Invocation): The Church implores the power of the Holy Spirit to change the bread and wine offered by human hands into Christ’s Body and Blood. • Institution Narrative and Consecration : The priest proclaims Jesus’ words at the Last Supper over the bread and wine. “The power of the words and the action of Christ, and the power of