The early Church's Eucharistic language consistently resists modern categories. Irenaeus (180 AD) insists the Church's oblation "is accounted with God a pure sacrifice" and affirms that bread and wine are "the body and the blood; materially one thing, mystically another" — neither bare memorialism nor a fully systematized transubstantiation. Early second-century liturgical prayers show a richly Trinitarian practice: invoking the Spirit over the elements, distributing by deacons to the assembled faithful, and framing the rite as a genuine encounter with Christ. The diversity of early testimony is precisely what allows every modern tradition to find support in some patristic source.
"The oblation of the Church... is accounted with God a pure sacrifice... Creatures of bread and wine are the body and blood; materially one thing, mystically another." — Irenaeus affirms both the sacrificial character of the Eucharist and a real though not philosophically defined presence of Christ in the elements.
An early Syriac liturgical text describes the fraction of the host "with both hands... with thanksgiving," distribution by deacons to clergy and people, and prayers invoking God to "sanctify us and deem us worthy of Thy reverend priesthood" — the earliest surviving eucharistic liturgy outside the NT, showing a highly structured, sacrificial rite.
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