The doctrine of the Real Presence of Christ in the Eucharist: what is given, and how. Sources span the Apostolic Fathers to the Reformation; traditions are badged, never refereed.
“They abstain from the Eucharist and from prayer, because they confess not the Eucharist to be the flesh of our Saviour Jesus Christ, which suffered for our sins, and which the Father, of His goodness, raised up again.”
“For not as common bread and common drink do we receive these; but in like manner as Jesus Christ our Saviour, having been made flesh by the Word of God, had both flesh and blood for our salvation, so likewise have we been taught that the food which is blessed by the prayer of His word, and from which our blood and flesh by transmutation are nourished, is the flesh and blood of that Jesus who was made flesh.”
195 years pass — nothing from this stretch is hosted yet
PatristicA.D. 350
Cyril of Jerusalem · A.D. 313–386
“Since then He Himself declared and said of the Bread, This is My Body, who shall dare to doubt any longer? And since He has Himself affirmed and said, This is My Blood, who shall ever hesitate, saying, that it is not His blood?”
“Perhaps you will say, "I see something else, how is it that you assert that I receive the Body of Christ?" And this is the point which remains for us to prove. And what evidence shall we make use of? Let us prove that this is not what nature made, but what the blessing consecrated, and the power of blessing is greater than that of nature, because by blessing nature itself is changed.”
“In order then that we may become this not by love only, but in very deed, let us be blended into that flesh. This is effected by the food which He hath freely given us, desiring to show the love which He hath for us. On this account He hath mixed up Himself with us; He hath kneaded up His body with ours, that we might be a certain One Thing, like a body joined to a head.”
“Believers know the body of Christ, if they neglect not to be the body of Christ. Let them become the body of Christ, if they wish to live by the Spirit of Christ. None lives by the Spirit of Christ but the body of Christ.”
327 years pass — nothing from this stretch is hosted yet
PatristicA.D. 743
John of Damascus · A.D. 676–749
“The bread and the wine are not merely figures of the body and blood of Christ (God forbid!) but the deified body of the Lord itself: for the Lord has said, "This is My body," not, this is a figure of My body: and "My blood," not, a figure of My blood.”
An Exact Exposition of the Orthodox Faith, An Exact Exposition of the Orthodox Faith, Book IV, ch. 13PD · NPNF2 Vol. 9 (Salmond) ↗
531 years pass — nothing from this stretch is hosted yet
Scholasticc. 1100 – 1500
Catholic1274
Thomas Aquinas · 1225–1274
“And this is done by Divine power in this sacrament; for the whole substance of the bread is changed into the whole substance of Christ's body, and the whole substance of the wine into the whole substance of Christ's blood. Hence this is not a formal, but a substantial conversion; nor is it a kind of natural movement: but, with a name of its own, it can be called "transubstantiation."”
246 years pass — nothing from this stretch is hosted yet
Reformationc. 1500 – 1650
Lutheran1520
Martin Luther · 1483–1546
“But why should not Christ be able to include His body within the substance of bread, as well as within the accidents? Fire and iron, two different substances, are so mingled in red-hot iron, that every part of it is both fire and iron. Why may not the glorious body of Christ much more be in every part of the substance of the bread?”
At Marburg, Luther and Zwingli agree on fourteen articles of faith; the fifteenth records that they could not agree whether the true body and blood of Christ are bodily present in the bread and wine.
Reformed1530
Huldrych Zwingli · 1484–1531
“I believe that in the holy Eucharist, i. e., the supper of thanksgiving, the true body of Christ is present by the contemplation of faith. This means that they who thank the Lord for the benefits bestowed on us in His Son acknowledge that He assumed true flesh, in it truly suffered, truly washed away our sins by His blood; and thus everything done by Christ becomes as it were present to them by the contemplation of faith. But that the body of Christ in essence and really, i. e., the natural body itself, is either present in the supper or masticated with our mouth and teeth, as the Papists or some who look back to the fleshpots of Egypt assert, we not only deny, but constantly maintain to be an error, contrary to the Word of God.”
“If any one saith, that, in the sacred and holy sacrament of the Eucharist, the substance of the bread and wine remains conjointly with the body and blood of our Lord Jesus Christ, and denieth that wonderful and singular conversion of the whole substance of the bread into the Body, and of the whole substance of the wine into the Blood — the species only of the bread and wine remaining — which conversion indeed the Catholic Church most aptly calls Transubstantiation; let him be anathema.”
Canons and Decrees of the Council of Trent, Session XIII, Canon IIPD · J. Waterworth ↗
“Therefore, if by the breaking of bread the Lord truly represents the partaking of his body, there ought to be no doubt whatever that he truly exhibits and performs it. The rule which the pious ought always to observe is, whenever they see the symbols instituted by the Lord, to think and feel surely persuaded that the truth of the thing signified is also present. For why does the Lord put the symbol of his body into your hands, but just to assure you that you truly partake of him? If this is true let us feel as much assured that the visible sign is given us in seal of an invisible gift as that his body itself is given to us.”
Institutes of the Christian Religion, Institutes IV, ch. 17, §10 (1559 edition)PD · Henry Beveridge ↗
The reader meets the sources first; chronology and attribution do the work. Provenance is shown on every quotation — solid for hosted public domain, dashed for link-out.