John Scotus Eriugena (c. 800-c. 870-877)

John Scotus Eriugena, one of the most remarkable minds of the West between Augustine and Anselm: an isolated Greek scholar who translated Pseudo-Dionysius and opened the Latin West to the Greek Fathers. Yet his Neoplatonic metaphysics, suspected of pantheism, led to the burning of his Periphyseon by order of Honorius III in 1225. Neither saint nor Doctor: a genius the Church reads with discernment.

Ignispedia

John Scotus Eriugena (Iohannes Scottus Eriugena, born around 800 in Ireland, died around 870-877)[1] is one of the most remarkable speculative minds in the West between Saint Augustine and Saint Anselm — "an important thinker of the Christian West," says Benedict XVI — an isolated beacon in the intellectual night of the Carolingian ninth century.[2][3] Alone, or almost alone, he could read Greek; and through him the Latin West received the great Fathers of the East, beginning with the mysterious Pseudo-Dionysius the Areopagite, whose entire work he translated at royal command.[4][5]

And yet this genius is neither a saint nor a Doctor of the Church. His masterpiece, the Periphyseon, was classed among dangerous books, condemned, and finally given to the flames by order of Pope Honorius III in 1225, nearly four centuries after it was written.[6][7] The reason was a Neoplatonic metaphysics so high and so daring that it sometimes seems to dissolve the distinction between God and the world: the recurring suspicion of pantheism.[8][9]

Folio from the Periphyseon in a Reims manuscript (c. 875), sometimes associated with the hand of John Scotus Eriugena. Wikimedia Commons image, public domain.

Ignispedia reads him exactly as it reads Origen, Tertullian, and Eusebius of Caesarea: as a master to be filtered. We gratefully receive the mediator, the translator, the praying mind who sang the Prologue of Saint John as few have done; we watch over the metaphysician when his reason, intoxicated with Neoplatonism, crosses the line faith cannot let him cross. Neither idolatry nor contempt: admire the light, watch the shadows. That is the Church's own gesture: she never burned the man, but she set his great book aside.

Why does John Scotus Eriugena matter?

The mediator of the Greek Fathers to the West

In the ninth century, the Latin West had almost entirely forgotten Greek. The treasures of Eastern theology: the Cappadocians, Maximus the Confessor, the Dionysian corpus, were a silent continent to it for lack of translators. John Scotus is the man who reopened the door.[10][11] A Greek scholar of rare stature, he translated into Latin the whole of Pseudo-Dionysius: Celestial Hierarchy, Ecclesiastical Hierarchy, Divine Names, Mystical Theology, then the Ambigua and the Questions to Thalassius of Maximus the Confessor, and Gregory of Nyssa's treatise On the Making of Man.[12][13]

The stakes go beyond philology. Through these translations, an entire apophatic theology, the theology that approaches God by denying that any of our concepts is adequate to him, entered the bloodstream of the West. Benedict XVI notes that the great medieval theologians, like Saint Bonaventure, knew Dionysius through his version; and the Catholic Encyclopedia observes that the later mystics, and especially Meister Eckhart, underwent his influence.[14][15] He is the bridge through which the Latin West received the Greeks.

John Scotus Eriugena as mediator from the Greek East to the Latin West. Original Ignispedia infographic created with AI.

"The great medieval theologians, like Saint Bonaventure, knew the works of Dionysius through this translation." — Benedict XVI, General Audience of 10 June 2009[16]

The philosopher of Charles the Bald's court

Around 845, the learned king Charles the Bald, grandson of Charlemagne, called this wandering Irishman to his court and entrusted him with the Palatine school.[17][18] For nearly thirty years, John Scotus taught the liberal arts there and served as the kingdom's official philosopher. Their familiarity was such that legend preserved their verbal sparring: at table, the king is said to have asked him, playing on sottus (fool) and Scottus (Irishman): "Quid distat inter sottum et Scottum?" ("What separates a fool from an Irishman?"). John Scotus, undisturbed, replied: "Tabula tantum" — "Only the table."[19]

A banquet anecdote, no doubt embellished by William of Malmesbury; but it tells a truth. At a time when learned culture survived in only a few monasteries, a free genius spoke on equal terms with power and made the Carolingian court an unexpected hearth of high speculation.

The man from Ireland

A biography full of silences

Of John Scotus we know almost nothing certain before his appearance at the court of Charles the Bald.[20] Even the dates are approximations: birth around 800, death around 870-877 (the exact date is unknown).[21] His surname, Eriugena, which he coined himself, means "born in Ireland" (Eriu, Ireland): the island of learned monks which, while the Continent was collapsing, had preserved a little Greek and much fervor. From that monastic Ireland he received his formation and perhaps his love for Greek, so exceptional in a Latin scholar.

The seven documentary milestones in the life of John Scotus Eriugena. Original Ignispedia infographic created with AI.
  1. c. 800
    Birth in Ireland

    John is born in the Ireland of learned monks, a center that preserved Greek and biblical learning rare in the West. His surname Eriugena, "born in Erin", will claim that origin.

  2. c. 845
    Called to the court of Charles the Bald

    The wandering Irishman reaches the Continent; the king entrusts him with the Palatine school. He will teach the liberal arts there for nearly thirty years.

  3. 851
    The De praedestinatione, against Gottschalk

    Commissioned by Archbishop Hincmar of Reims to refute the monk Gottschalk, John Scotus writes his treatise De divina praedestinatione, and unleashes a storm.

  4. 855 and 859
    Condemnations at Valence and Langres

    His theses on predestination are condemned by the councils of Valence (855) and Langres (859), which deride his "Irish porridge" and his "invention of the devil".

  5. c. 860-862
    The Greek translations

    At royal command, he translates the corpus of Pseudo-Dionysius, then Maximus the Confessor and Gregory of Nyssa, opening the West to Eastern theology.

  6. c. 864-866
    The Periphyseon

    He composes his great work, the Periphyseon (On the Division of Nature): a metaphysical summa in five books, both the summit and the breaking point of his thought.

  7. c. 870-877
    Death on the Continent

    John Scotus dies around 870-877, probably in France; the exact date is unknown.[22] The English legend that makes him abbot of Malmesbury, stabbed by his pupils, is regarded as a late confusion.

The legendary death at Malmesbury

A persistent story, reported by the twelfth-century chronicler William of Malmesbury, claims that John Scotus ended his life in England as abbot of Malmesbury and was stabbed to death by his own pupils with their styli (writing points).[23] The tale is dramatic, and almost certainly false: historians see in it a confusion with another John, while the motif of the murder is even borrowed from the Acts of Saint Cassian of Imola, the martyr pierced by the styli of his schoolboys.[24] The legend mainly reveals the troubled fascination long exercised by the figure: too brilliant, too free, he was given an end to match his strangeness.

The praying reader of Saint John's Prologue

Before he is the vertiginous metaphysician of the Periphyseon, John Scotus is a contemplative of the Word. His most beloved and most copied piece is not a speculative summa but a homily: the commentary on the first fourteen verses of the Gospel of John, known by its opening words, "Vox spiritualis aquilae", "The spiritual voice of the eagle".[25]

The fate of this text is a sign. So loved in the Middle Ages that it was read "and reread in refectories and cloisters", it survived in more than seventy manuscripts, but under another name: it was attributed to Origen, whose prestige served as its safe-conduct.[26] In other words, what the Church most savored in John Scotus, she loved without knowing it was his. There lies the whole irony of his destiny: his name was filtered, his prayer was kept.

"The spiritual voice of the eagle strikes the hearing of the Church. Let him who can understand what this voice is. It rises above every visible and invisible theory; it transcends every intelligence." — John Scotus Eriugena, Homily on the Prologue of John, opening[27]

This page says the essential thing about his soul: a thirst to contemplate the Word, the Johannine eagle that fixes its gaze on the sun without blinking. The Catholic reader touches here what the condemnation of his great book must never make us forget: John Scotus truly loved Christ, and sought God with the intensity of an adorer.

Predestination: the first storm

A commission that went wrong

In 850, a Saxon monk, Gottschalk of Orbais, provoked a crisis by teaching a rigid double predestination: God, from all eternity, would have predestined some to salvation and others to damnation. Archbishop Hincmar of Reims, embarrassed, looked for a learned pen to refute him, and turned to John Scotus.[28][29]

The remedy proved worse than the disease. In his De divina praedestinatione (851), John Scotus defended freedom and single predestination: God predestines only to good and to salvation, never to sin or punishment.[30][31] Up to that point, he was recovering Saint Augustine. But he pushed Neoplatonic logic so far as to treat evil as pure nothingness, without consistency or real cause, and to reason as a dialectician where a theologian was expected.

"There is predestination only to the good: God predestines no one to perish, for that would mean willing what he does not will: sin and death." — central argument of the De divina praedestinatione[32]

The "Irish porridge"

The reaction was brutal. Two weighty bishops, Prudentius of Troyes and Florus of Lyon, entered the fray; the councils of Valence (855) and Langres (859) condemned the work.[33][34] The Fathers of Valence did not mince words: they spoke of pultes Scotorum, the "Irish porridge", and of a commentum diaboli, an "invention of the devil".[35]

The affair already fixes the pattern of his whole life: a right intention, to defend freedom and the goodness of God, but a method that alarms, where dialectical reason and Neoplatonism take precedence over the sobriety of faith. Pope Nicholas I himself is troubled by it in a letter to Charles the Bald.[36] The drama of the Periphyseon is already present in germ.

The Eucharist: the lost work and another man's treatise

Like predestination, the Eucharist was in the ninth century a burning front — and John Scotus took his part in it: the Catholic Encyclopedia counts him among the theological controversies of his time.[37] But here the dossier is thin and misleading: the CE reports that he "very probably" wrote a work on the Eucharist, now lost, while the treatise De corpore et sanguine Domini long circulated under his name is from another pen — the 1909 CE saw in it the work of Paschasius Radbertus, modern notices that of Ratramnus.[38][39]

The "eucharistic symbolism" listed as his dark point is therefore a historical suspicion, fed by a lost work and a mistaken attribution — not an established doctrine from his hand. None of the three condemnations that struck his work (855, 859, 1225) targets an authenticated eucharistic treatise by John Scotus.

The Periphyseon: summit and vertigo

A cosmic plan in four divisions

Around 864-866, John Scotus composed his masterpiece: the Periphyseon, a Greek word meaning "concerning natures", better known under its Latin title De divisione naturae, "On the Division of Nature".[40][41] It is an immense dialogue in five books between a master and his disciple, embracing in a single view God, creation, the fall, and the return of all things to God.

The organizing principle is famous: "nature", meaning all that is and all that is not, is divided into four species according to whether a reality creates or is created.[42][43]

DivisionLatin formulaWhat it designates
Inatura quae creat et non creaturThe nature that creates and is not created: God as origin, the source of all
IInatura quae creatur et creatThe nature created and creating: the primordial causes, the eternal ideas in the Word
IIInatura quae creatur et non creatThe nature created and not creating: the world of creatures, the sensible and temporal universe
IVnatura quae nec creat nec creaturThe nature that neither creates nor is created: God as end, the term of all things' return to him
The four divisions of nature in the Periphyseon: God as origin, primordial causes, created world, God as end. Original Ignispedia infographic created with AI.

The movement is grandiose: everything proceeds from God (exitus) through the primordial causes, unfolds in the world, then returns to God (reditus) until God is "all in all". Divisions I and IV designate the same God, grasped once as point of departure, once as point of arrival: the alpha and omega of all reality.

Theophany: the world as a manifestation of God

The spiritual heart of the system is a magnificent idea: theophany. Every creature is a theophania, a "manifestation of God", a ray of inaccessible Light made visible.[44][45] The world is not an object placed beside God; it is the language by which the Invisible speaks. God himself is beyond being: John Scotus dares to write that "the being of all things is the super-being of the Divinity" (esse omnium est superesse Divinitatis).[46] He is known only by denying of him all our concepts: pure apophatic theology inherited from Pseudo-Dionysius.

"We do not know what God is. God himself does not know what he is, because he is no what; he is incomprehensible to himself and to every intelligence." — John Scotus Eriugena, Periphyseon, famous apophatic formula[47]

Taken in its intention, this vertiginous phrase is not blasphemy: it says that God infinitely surpasses every definition, including that of a "something" among things. But taken literally, outside its apophatic context, it can make one tremble, and this is precisely where the suspicion begins.

Authority and reason: the formula that alarms

John Scotus has immense confidence in reason, which he believes incapable of contradicting true faith. His maxim sums up a whole temperament: "authority proceeds from true reason, but reason never proceeds from authority" (auctoritas ex vera ratione processit, ratio vero nequaquam ex auctoritate).[48] For him, true philosophy and true religion coincide: an authority that right reason does not confirm seems to him to have no force.[49]

Properly understood, the principle is Catholic: since God is creative Reason, faith and intelligence cannot contradict each other, the very conviction of Saint Anselm and Saint Thomas. But in John Scotus the balance tilts dangerously: he tends to make his dialectical reason the final judge, even if that means reinterpreting Scripture and the Fathers to bend them to his system. It is this practical primacy of speculation, more than any isolated thesis, that eventually alarmed the Church.

The suspicion of pantheism

Here is the dark point. When John Scotus says that everything proceeds from God and returns to God until "God is all in all", when he makes creatures theophanies and refuses to treat God as one "being" among beings, his metaphysics comes close, at least in its language, to erasing the distinction between Creator and creature. This is the constant charge: a pantheism that would deprive creatures of their own consistency.[50][51]

Benedict XVI gave the diagnosis with remarkable balance: John Scotus was animated by orthodox intentions, but his "radical Platonism sometimes seems to approach a pantheistic vision".[52] Should he really be called a pantheist? The best specialists doubt it: in his mind, the distinction remains, and the reditus does not abolish persons but transfigures them. Yet his vocabulary is so daring, so stripped of safeguards, that it lends itself to every appropriation, and this is what happened.

The condemnations: a book given to the fire

1210-1225: Amalric of Bena and the stake

Three centuries after his death, the Periphyseon entered a second, unhappy destiny. At the beginning of the thirteenth century, a Parisian master, Amalric of Bena, and his disciples (the "Amalricians") professed a radical pantheism: God would be the essence of all things, provoking scandal and the stake (1210).[53][54] The Amalricians claimed John Scotus as their source. The council of Paris (Sens) in 1210 condemned their errors, and the link was made: the great ninth-century book came to be seen as the poisoned source of the thirteenth-century heresy.

In 1225, Pope Honorius III took the decisive step: by a letter of 23 January 1225, he ordered that all copies of the Periphyseon be sought out and burned, under pain of excommunication for anyone who kept it.[55][56] One of the greatest books of the West was thus committed to the fire, not for what its author believed in his heart, but for the heretical use being made of it and for the pantheistic vertigo of its formulas.

The three principal clashes: Valence, Langres, then Honorius III's order concerning the Periphyseon. Original Ignispedia infographic created with AI.

"A book can be more dangerous than its author: John Scotus died in the peace of the Church; it was three centuries later, diverted by others, that his great work was thrown into the fire." — Ignispedia reading of the dossier

A judgment both severe and just

The condemnation of 1225 may seem unfair to the man: John Scotus never left the Church, was never excommunicated in his lifetime, and his intention was not pantheistic. But it was prudent: a text whose formulas were already serving as the banner of an active heresy had to be removed from inexperienced hands. The Church did not anathematize his person; she withdrew his book from circulation, just as a physician locks away a remedy that has become poison in the wrong hands.

The table below summarizes the three great clashes between John Scotus and ecclesial authority.

DateAuthorityObject condemnedReason
855Council of ValenceDe divina praedestinationeSingle predestination, dialectic judged presumptuous ("Irish porridge")
859Council of LangresDe divina praedestinationeConfirmation of the condemnation at Valence
1225Pope Honorius IIIPeriphyseonSuspicion of pantheism; appropriation by the Amalricians; order to burn copies

The Church's discernment: what she keeps, what she filters

Neither saint nor Doctor, but never simply rejected

Like Origen and Eusebius, John Scotus has never been entered in the catalogue of saints or Doctors of the Church. His personal faith remained unsuspected; but his great book was judged unfit to nourish the Christian people.[57] The Church did what she does with imperfect geniuses: she sorted. She kept the translator who opened the Greek East to her, the praying reader of John's Prologue, the thinker who nourished later mysticism; she set aside the metaphysics in which his reason, dazzled by Neoplatonism, crossed the line.

Remarkably, in 2009, Pope Benedict XVI devoted an entire general audience to him, praising his genius and his mediating role while restating clearly the limits of his Platonism.[58] This is not a "rehabilitation" in the sense of annulling the condemnations: the Periphyseon remains a book to be read with caution. It is, rather, the serene recognition by the magisterium that one can admire a master without swallowing his whole system.

Four geniuses to filter

John Scotus thus joins a clearly identified family in the encyclopedia: that of the great minds of the ancient and medieval Church whom we receive with discernment. The table below sets them side by side.

FigureMajor contributionDark pointEcclesial status
Tertullian (c. 155-c. 220)Father of Latin theology; Trinitarian vocabularyPassage into rigorist MontanismNeither saint nor Doctor
Origen (c. 185-c. 253)Exegetical and spiritual genius; Against CelsusDaring theses (pre-existence of souls, apocatastasis)Set aside; some theses condemned in 553
Eusebius of Caesarea (c. 265-339)Father of Church historySubordinationism; anti-Nicene partyNeither saint nor Doctor
John Scotus Eriugena (c. 800-c. 870-877)Mediator of the Greek Fathers; translator of Pseudo-DionysiusMetaphysics close to pantheism; Periphyseon condemnedNeither saint nor Doctor; book burned in 1225
Four great minds to receive with discernment: admire the treasure transmitted, filter the errors or ambiguities. Original Ignispedia infographic created with AI.

The Ignispedia reader finds, from article to article, the same logic: admire without idolizing, receive without swallowing, filter without despising.

What John Scotus teaches us today

The history of John Scotus Eriugena is rich in lessons for believers today.

First, it shows the greatness and limit of reason. John Scotus was right to believe that faith and intelligence do not contradict each other: this is a Catholic principle, the principle of Saint Anselm and Saint Thomas. But he allowed his dialectical reason to take precedence over the humble hearing of Revelation, to the point of bending Scripture to his system. True fides quaerens intellectum, faith seeking understanding, walks on its knees before it walks upright; it contemplates before it concludes.

Next, it teaches that words matter. John Scotus was not a pantheist in his heart; but his formulas, so daring and so stripped of guardrails, could be turned against the faith by others. The theologian bears responsibility for his language: a brilliant but imprudent sentence can, centuries later, become the banner of error. Precision of vocabulary is a form of charity toward future readers.

Finally, it reveals the delicacy of ecclesial discernment. The Church did not curse John Scotus: she distinguished. She kept his treasure, set aside his poison, and waited nine centuries before saying calmly, through the voice of Benedict XVI, what should be admired in him and what should be feared. This patient sorting is one of the great works of Catholic intelligence: neither burning the man nor giving the book a blank check, but slowly separating the wheat from the tares.

"The spiritual voice of the eagle strikes the hearing of the Church." — John Scotus Eriugena, Homily on the Prologue of John[59]

John Scotus wanted, all his life, to fix his gaze on the sun like Saint John's eagle. At times he was dazzled enough to lose measure; but his gaze was turned toward the Light. Ignispedia reads him for the clarity he transmitted, while watching over the abysses he approached, convinced that the highest reason finds rest only in the humility of faith, the very primacy Benedict XVI recalled at the end of his catechesis on our author.[60]

Further Reading

Notes and References

  1. On the date of John Scotus's death: Benedict XVI, General Audience of 10 June 2009: "the year of his death is likewise unknown although, according to scholars, it must have been around the year 870"; William Turner, The Catholic Encyclopedia, 1909: "it is probable that he died in France, but the date is unknown"; the dating "around 877" is that of the usual online encyclopedia notices. Hence the range adopted here: around 870-877. URL: https://www.vatican.va/content/benedict-xvi/fr/audiences/2009/documents/hf_ben-xvi_aud_20090610.html

    1 21 22
  2. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, Robert Appleton Company, New York, 1909: Irish origin and meaning of the name Eriugena ("native of Ireland"), arrival at the court of Charles the Bald around 847, direction of the Palatine school. URL: https://www.newadvent.org/cathen/05519a.htm

    2 17 20
  3. Benedict XVI, General Audience of 10 June 2009 (catechesis on John Scotus Eriugena): John Scotus presented from the outset as "an important thinker of the Christian West," outstanding Hellenist, translator and reader of Pseudo-Dionysius and Maximus the Confessor; the great medieval theologians, like Saint Bonaventure, knew Dionysius through his translation; serene magisterial recognition of his role despite the limits of his system. URL: https://www.vatican.va/content/benedict-xvi/fr/audiences/2009/documents/hf_ben-xvi_aud_20090610.html

    3 11 14 16 58
  4. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, Robert Appleton Company, New York, 1909: royal commission for the translation of the Pseudo-Dionysian corpus, translation of the Ambigua and Questions to Thalassius of Maximus the Confessor, and of Gregory of Nyssa's On the Making of Man. URL: https://www.newadvent.org/cathen/05519a.htm

    4 10 13
  5. "Jean Scot Érigène", online encyclopedia: dating (birth around 800, death around 877), Irish origin, call to the court of Charles the Bald around 845 and teaching at the Palatine school for nearly thirty years, translations of Pseudo-Dionysius, the Ambigua and Questions to Thalassius of Maximus the Confessor, Gregory of Nyssa's On the Making of Man, composition of the Periphyseon between 864 and 866, and exposition of the four divisions of nature. URL: https://fr.wikipedia.org/wiki/Jean_Scot_%C3%89rig%C3%A8ne

    5 12 18 41
  6. Honorius III, letter of 23 January 1225 (noted by J. Maritain, History of Philosophy; W. G. Hanson sees in it a bull prescribing the strict search for all copies) ordering that copies of John Scotus's De divisione naturae (Periphyseon) be sought out and burned, under pain of excommunication; the book was then associated with the pantheistic errors of Amalric of Bena, condemned as early as 1210. See The Catholic Encyclopedia, "John Scotus Eriugena" (https://www.newadvent.org/cathen/05519a.htm) and, as relay, the notice https://en.wikipedia.org/wiki/John_Scotus_Eriugena

    6 53 55 57
  7. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, 1909: the council of Paris (1225) joins the condemnation of Eriugena's work to the 1210 condemnations targeting the doctrines of Amalric of Chartres and David of Dinant, whose supporters used his treatise (https://www.newadvent.org/cathen/05519a.htm). Encyclopedia relay: "John Scotus Eriugena", https://en.wikipedia.org/wiki/John_Scotus_Eriugena

    7 54 56
  8. Benedict XVI, General Audience of 10 June 2009: principle that "authority and reason can never contradict each other, true religion and true philosophy coincide"; warning about a "radical Platonism that sometimes seems to approach a pantheistic vision"; orthodox intentions recognized in the author. URL: https://www.vatican.va/content/benedict-xvi/fr/audiences/2009/documents/hf_ben-xvi_aud_20090610.html

    8 45 49 51 52
  9. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, Robert Appleton Company, New York, 1909: plan of the De divisione naturae in four divisions of nature, doctrine of theophany, formula esse omnium est superesse Divinitatis, suspicion of pantheism, and magisterial judgment on the work. URL: https://www.newadvent.org/cathen/05519a.htm

    9 43 44 46 50
  10. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, 1909: "Later, the Mystics, especially Meister Eckhart, were influenced by him". URL: https://www.newadvent.org/cathen/05519a.htm

    15
  11. William of Malmesbury, Gesta pontificum Anglorum, book V (12th century): "Quid distat inter sottum et Scottum? — Tabula tantum" (banquet anecdote with Charles the Bald, taken up notably by Helen Waddell, The Wandering Scholars); the same William is the source of the Malmesbury death legend, stabbed by his pupils with their styli — regarded as a late confusion with another John (the Catholic Encyclopedia: a tradition "with no support in contemporary documents"), the motif being borrowed from the Acts of Saint Cassian of Imola. Encyclopedia relay: "John Scotus Eriugena", https://en.wikipedia.org/wiki/John_Scotus_Eriugena

    19 23 24
  12. John Scotus Eriugena, Homily on the Prologue of John ("Vox spiritualis aquilae"), commentary on Jn 1:1-14. Critical edition: Édouard Jeauneau, Jean Scot. Homélie sur le prologue de Jean, "Sources chrétiennes" no. 151, Éditions du Cerf, Paris, 1969; new edition Homilia et Commentarius in Euangelium Iohannis, Corpus Christianorum Continuatio Mediaevalis (Brepols). The text, widely circulated in the Middle Ages (more than 70 manuscripts), long circulated under Origen's name, which ensured its reading in cloisters and refectories. Presentation: https://sourceschretiennes.org/collection/sc151

    25 26 27 59
  13. "John Scotus Eriugena", online encyclopedia: dispute on predestination, John Scotus chosen by Hincmar of Reims to refute Gottschalk of Orbais, condemnation of the De praedestinatione at Valence (855) and Langres (859) under the labels pultes Scotorum ("Irish porridge") and commentum diaboli. URL: https://en.wikipedia.org/wiki/John_Scotus_Eriugena

    28 31 34 35
  14. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, Robert Appleton Company, New York, 1909: the De divina praedestinatione (851) and its teaching of single predestination ("there is predestination only to the good"), the doctrine of evil as non-being, and the conciliar condemnations at Valence (855) and Langres (859). URL: https://www.newadvent.org/cathen/05519a.htm

    29 30 32 33 36
  15. William Turner, "John Scotus Eriugena", The Catholic Encyclopedia, vol. 5, 1909: John Scotus took part in the theological controversies of his time, "especially those concerning predestination and the Eucharist"; he "very probably" wrote a work on the Eucharist, now lost, while the treatise De Corpore et Sanguine Domini, once held to be his work, "is the work of Paschasius Radbertus"; the most complete edition of his works is that of Dr Floss, printed as vol. CXXII of Migne's Patrologia Latina. URL: https://www.newadvent.org/cathen/05519a.htm

    37 38
  16. "John Scotus Eriugena", online encyclopedia (as relay): the eucharistic treatise On the Body and Blood of the Lord, of symbolic or memorial inspiration, now recognized not as Eriugena's work but as Ratramnus's. URL: https://en.wikipedia.org/wiki/John_Scotus_Eriugena

    39
  17. John Scotus Eriugena, Periphyseon (De divisione naturae, "On the Division of Nature"), 5 books, c. 864-866 — reference edition H. J. Floss printed in vol. CXXII of Migne's Patrologia Latina; division of nature into four species (natura quae creat et non creatur; quae creatur et creat; quae creatur et non creat; quae nec creat nec creatur); movement of exitus and reditus; apophatic theology inherited from Pseudo-Dionysius; formula "auctoritas ex vera ratione processit, ratio vero nequaquam ex auctoritate" (authority proceeds from true reason, but reason never from authority). Reference editions: Periphyseon, ed. É. Jeauneau, Corpus Christianorum Continuatio Mediaevalis (Brepols); French trans. F. Bertin, PUF.

    40 42 47 48
  18. Benedict XVI, General Audience of 10 June 2009: primacy of faith ("our salvation begins with faith") and need to purify the eye of the heart and mind in order to attain "the joy of the truth which is Christ". URL: https://www.vatican.va/content/benedict-xvi/fr/audiences/2009/documents/hf_ben-xvi_aud_20090610.html

    60