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The Real Presence: What Happens at Communion?

How the great traditions understand Christ’s presence at the Lord’s table — from a change of substance to a treasured remembrance. Fairly told.

The Question

What happens at the table?

  • Jesus took bread and said, “This is my body.”
  • Ever since, Christians have asked what those words mean.
  • Is the bread changed, a vivid sign, or something in between?
  • The answers mark some of the deepest divisions in the church.

Key idea: Nearly all historic churches affirm that Christ is present at Communion; they differ on the manner of that presence.

Source: Matthew 26:26–28; Luke 22:19

Key Terms

The vocabulary of the meal

  • “Eucharist” means thanksgiving; “Communion” means sharing.
  • “Real presence” affirms that Christ himself is truly given.
  • “Substance” is what a thing is; “accidents” are how it appears.
  • A “sacrament” is an outward sign of an inward grace.

Useful fact: The substance-and-accidents language comes from Aristotle, later used by Aquinas to explain the change.

Source: Thomas Aquinas, Summa Theologiae III; standard sacramental theology

Roots

From upper room to council hall

  • Early Christians spoke of the bread and cup in strikingly realist terms.
  • For centuries the “how” was left largely unexplained.
  • Medieval scholars later pressed for a precise account.
  • In 1215 the Fourth Lateran Council adopted the word “transubstantiation.”

Source: Fourth Lateran Council (1215); early Christian writings on the Eucharist

Catholic View

Transubstantiation

  • Catholics teach that the whole substance of the bread and wine becomes Christ’s body and blood.
  • The appearances — taste, look, and texture — remain unchanged.
  • Aquinas explained this with substance-and-accidents language.
  • The Council of Trent defined it as dogma in 1551.

Key idea: For Catholics the change is real and complete: what looks like bread is truly Christ’s body, though it still appears as bread.

Source: Council of Trent, Session 13 (1551); Thomas Aquinas, Summa Theologiae III

Lutheran View

In, with, and under

  • Luther affirmed Christ’s true body and blood in the Supper.
  • But he denied that the bread stops being bread.
  • Christ is present “in, with, and under” the bread and wine.
  • He held this firmly against Zwingli at Marburg in 1529.

Useful fact: Lutherans usually reject the label “consubstantiation,” preferring to call it a sacramental union they do not try to fully explain.

Source: Book of Concord; Marburg Colloquy (1529)

Reformed View

Truly received by the Spirit

  • Calvin taught a real but spiritual presence in the Supper.
  • Believers truly feed on Christ, yet by the Holy Spirit.
  • The faithful are lifted up to commune with the ascended Christ.
  • This is far more than a memory, though the bread itself is unchanged.

Key idea: For the Reformed, Christ is genuinely given and received by faith — a real presence effected by the Spirit rather than a change of substance.

Source: John Calvin, Institutes IV.17; Westminster Confession of Faith

Memorialist View

Do this in remembrance

  • Zwingli emphasized the Supper as a memorial of Christ’s death.
  • The bread and cup are powerful signs that point beyond themselves.
  • The gathered church remembers and proclaims until he comes.
  • Many Baptists and evangelicals hold this remembrance view.

Useful fact: The memorialist view is one wing of Protestantism, not the whole of it, and centers on Jesus’ command, “Do this in remembrance of me.”

Source: Luke 22:19; 1 Corinthians 11:24–26

The East

A holy mystery

  • The Orthodox firmly affirm that the gifts truly become Christ’s body and blood.
  • But they decline to pin down the “how” in scholastic terms.
  • The change is confessed and adored as a genuine mystery.
  • Reverence, more than explanation, marks the Eastern approach.

Key idea: The Orthodox affirm a real change as strongly as Rome, yet generally resist defining the mechanism, guarding it as holy mystery.

Source: Eastern Orthodox liturgical and dogmatic tradition

The Tension

The weight of four words

  • “This is my body” can be heard as identity or as symbol.
  • In John 6 Jesus speaks of eating his flesh and drinking his blood.
  • Paul warns against failing to “discern the body” at the table.
  • Each tradition weighs these texts in its own faithful way.

Useful fact: Much of the debate rests on how literally to hear Jesus’ words, “This is my body.”

Source: John 6:53–58; 1 Corinthians 11:27–29; Matthew 26:26

Misconception

“Protestants deny the real presence”

  • It is often said that Protestants reject any real presence.
  • But Lutherans and the Reformed strongly affirm one.
  • Only the memorialist wing sees the meal as purely symbolic.
  • The Reformation divided over how Christ is present, not merely whether.

Misconception: “All Protestants think Communion is just a symbol.” Lutheran and Reformed churches affirm a real presence; only part of Protestantism is purely memorialist.

Source: Book of Concord; Westminster Confession; standard Reformation theology

Why It Matters

The table that both unites and divides

  • The Supper is meant to be the church’s deepest sign of unity.
  • Yet differing beliefs about it keep many from sharing one table.
  • Behind the debate lies a shared longing to receive Christ rightly.
  • Understanding each view fairly is a step toward that unity.

Source: 1 Corinthians 10:16–17; ecumenical dialogue on the Eucharist

In Sum

One table, several doors

  • Catholics, Orthodox, Lutherans, and Reformed all confess a real presence.
  • They picture the manner differently — change, union, or Spirit.
  • Memorialists receive the meal as a treasured remembrance.
  • All gather at Christ’s command to proclaim his death.

In one line: Christians agree that Christ meets his people at the table; they differ on how — from a change of substance, to a Spirit-given presence, to a sacred remembrance.

Source: 1 Corinthians 11:23–26

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