How a monastic order in the 12th century introduced a written, enforceable ban on ornament — and why 20th-century modernists appointed it their ancestor.
This presentation does not defend the claim, it takes it apart: where it rests on documents and where it rests on later legend. The key contested points carry a DISPUTED plate — open it and the source is there.
Cîteaux · Carta Caritatis · the Apologia · death of Bernard
Cluny and Cîteaux are not the bad monks and the good monks. They are two answers to one question: what should life under the Rule of Saint Benedict look like. Cluny answers with lavish liturgy and monumental architecture, Cîteaux with manual labour, poverty and the refusal of the superfluous. The conflict of the 1120s is an argument between two programmes inside one church, not a war of faiths.
The scale is ordinal, not proportional: the distances between marks do not reflect duration. Read this way, the links between events are clear — but the proportions of time are distorted. Switch to true scale to see by how much.
Scaled to time. In true proportion nine marks out of ten crowd into the right-hand quarter: 178 years pass between the founding of Cluny and the start of Cluny III — almost three quarters of the whole span. The entire conflict this presentation is about fits into 65 years on the right. That is why the default scale is ordinal — and why the fact is stated openly.
A caveat on dates. The dating of the early Cistercian documents is a matter of scholarly dispute. Canivez's classic edition of the statutes (1933) assigns part of the legislation to 1134; Chrysogonus Waddell (1999, 2002) revises that chronology. So the year of any given ban is given here as an approximation, not as an exact figure.
A Benedictine abbey founded in 910. By the 12th century it is a network of hundreds of dependent priories from England to Spain, answering directly to the abbot of Cluny and bypassing the local bishops. Liturgy fills almost the whole day; manual labour is reduced to a minimum.
Peter the Venerable is abbot from 1122 to 1156. It is he who answers Bernard by letter (around 1127), defending Cluniac custom as a permissible relaxation dictated by mercy rather than a departure from the Rule.
Internal length of the church of Cluny III
Height of the vault over the main nave
30 September, under abbot Hugh
Sold for stone; dismantled by 1823
Building began on 30 September 1088 under abbot Hugh of Semur. The high altar was consecrated by Pope Urban II in 1095, the whole building by Pope Innocent II in 1130 under Peter the Venerable. Five aisles, a double transept, a pointed barrel vault. It remained the largest church in western Christendom until the new basilica of Saint Peter was built in Rome.
The end. The abbey was closed in 1790, the building sold and dismantled for building stone between 1798 and 1823. The south arm of the great transept survived with its tower — the scale of the whole is judged from it today. The plan was recovered by Kenneth Conant's excavations, begun in 1928.
Cîteaux abbey was founded in 1098 by Robert of Molesme. Bernard arrives around 1112–1113 and from 1115 heads the daughter house of Clairvaux.
Carta Caritatis — the constitution of the order, approved by Pope Callixtus II on 23 December 1119. It introduces what monasticism had not had before: one body of rules for every house, an annual general chapter, and a compulsory annual visitation of daughter abbeys by their mother houses.
This is the mechanism that turned the later ban on ornament from a wish into an enforced norm across hundreds of sites.
The lands are organised into granges, self-contained farm units. They are worked by conversi, lay brothers: they take vows and wear a distinct habit but do not take part in the full round of offices.
The division of labour frees the monks for prayer, and frees the order from the main sources of income of traditional monasticism: church tithes, pilgrims' offerings and the ownership of parishes.
Bernard's refusal of art is directly tied to this: a decorated church worked as a pump for donations, and giving up the decoration meant giving up that way of earning.
The figures disagree. Different counts give between 333 and 353 abbeys for 1153. The discrepancy comes from what is counted: new foundations, communities that joined, or women's houses counted separately. The order of magnitude — more than three hundred — is not contested.
The full title is Apologia ad Guillelmum, the Apology to William. Written at the request of William of Saint-Thierry, a friend of Bernard's. Sections 28–29 deal with art and became the most quoted medieval text on images.
The text never names Cluny directly. It is addressed to the order of William. That the Cluniacs were the target is a durable reading, but a reconstructed one.
Money. The church glitters in order to attract offerings. Wealth attracts wealth, and the poor go hungry meanwhile.
Distraction. In the cloister where a monk reads, carved monsters pull the attention away: one can spend a whole day studying a capital instead of a book.
Priority. There are more important things — res maiores. Stone covered in gold while the poor are alive is a misplaced set of priorities.
Bernard's Latin phrase about carving in the cloister: literally “deformed beauty and beautiful deformity”. He means the grotesque capitals — apes, lions, centaurs, half-men half-fish — with which reading galleries were decorated.
The Apologia states it plainly: in churches where lay people pray, images are appropriate — they stir devotion in those who cannot pray without something visible to lean on. The ban is addressed to monks, who in Bernard's view do not need that support.
This is the key detail. Bernard's logic is not aesthetic (“this is more honest”) but ascetic and social: different viewers are due different things.
For a long time the famous passage on cloister monsters was read as a description of the actual cloister at Cluny — and the appearance of the abbey was reconstructed from it.
Conrad Rudolph (Gesta, 1988; monograph 1990) showed that this is a rhetorical invective against art as distraction, not an inventory. The image of a Cluny obsessed with luxury was largely created by the Apologia itself and by its readers.
HistoriographyFormally the bans are statutes of the general chapter, the collective body of the order, not a personal decree of the abbot of Clairvaux. Bernard is the “moral author” of these statutes (Rudolph's formulation): his text set the frame, the order legislated.
There are traces of resistance too: adopting these norms meant removing works that already existed, and at first that did not go without friction.
A schematic drawing: one bay of a Cistercian church. Tick the bans on the right — the interior loses exactly what the general chapter removed. The chalice stays: the statute names it as an exception.
On spelling. The Latin formula in card 02 is given in classical spelling; the editions print it in the medieval form — Littere … depicte.
How it was enforced. The bans were not introduced at once but accumulated through statutes of the general chapter across the 12th century: first sculpture and painting, then the decoration of manuscripts, stone towers and coloured glass. Enforcement ran through the annual visitation: a mother abbey was obliged to inspect its daughter. In the codification of 1202 the wording on initials is tightened — no images, no gold or silver.
Founded in 1118 (UNESCO gives 1119) as the second daughter house of Clairvaux. The monks moved down into the valley in 1130. The church was built between 1139 and 1147 with money from Ebrard, bishop of Norwich, and consecrated by Pope Eugene III — a former pupil of Bernard's.
One of the few 12th-century Cistercian churches to survive in full — the abbey's own formulation. A UNESCO World Heritage Site since 1981.
Every east wall is flat — no apse, no chevet of chapels
Presbytery. A flat east wall instead of a semicircular apse. It projects further east than the four chapels — hence the stepped silhouette for which the plan is called Bernardine.
Chapels. Four rectangular chapels, two on each arm of the transept. No chevet, no ambulatory — only right angles.
Transept. The cross corps, with the chapels attached to its east side. Over its crossing with the nave a Cluniac church would carry a tower.
Nave. Three aisles, a pointed barrel vault. The piers divide the space into three passages.
Where a tower would be. The dashed outline marks the crossing — the place where a bell tower rises in the Cluniac tradition. Here there is none: the statute forbids stone towers, and the silhouette stays horizontal.
The silhouette has no vertical — a direct consequence of the ban on stone bell towers.
The capitals are reduced to the limit: nothing that would hold the eye of a reading monk.
A surviving workshop building of the late 12th century — a monument to the house's self-sufficiency.
By 1200 the complex is built for roughly 300 monks and lay brothers.
The material distracts. The beauty of a thing intercepts the attention that should belong to prayer. For a monk, decoration is an obstacle; money put into stone and gold is money taken from the poor.
The result: a bare wall, grey glass, a wooden cross, an iron candlestick.
Grisaille: painting in black on colourless glass. The light enters white and colours nothing.
Coloured glass tints the light and lays it on the floor. The wall dissolves into the window — this is where the Gothic is conventionally dated from.
The material leads upward. By the Neoplatonic logic of Pseudo-Dionysius, precious stone and coloured light raise the mind from the visible to the invisible. This is called anagogy — a “leading up”.
The result: the west front consecrated on 9 June 1140, the new choir on 11 June 1144.
It is not enmity between two men: there are no personal attacks by Bernard on Suger, and he approved of the monastic reform at Saint-Denis. Both abbots hold art to be a spiritual instrument — they differ over its sign. For Suger matter is a step towards God, for Bernard a step you trip over. The argument runs inside one picture of the world, not between “the Middle Ages” and “progress”.
The anagogical reading of Suger through Pseudo-Dionysius is to a large degree a construction of Erwin Panofsky (1946).
From the approval of the Carta Caritatis in 1119 to the founding of the Bauhaus in 1919 — exactly eight centuries. A pretty coincidence, and on its own it proves nothing. Something else does: the modernists really did go to the Cistercians, and said so out loud.
Louis Sullivan formulates “form follows function”
Adolf Loos delivers the lecture “Ornament and Crime”
The Bauhaus founded in Weimar, Walter Gropius
Le Corbusier goes to Le Thoronet on Couturier's advice
Cali and Hervé publish their book on Cistercian architecture; Hervé shot mainly at Le Thoronet
On 28 July 1953 the Dominican Marie-Alain Couturier writes to Le Corbusier advising him to visit the abbey of Le Thoronet. In 1956 François Cali's book appears with photographs by Lucien Hervé, “La plus grande aventure du monde” — entirely about Cistercian architecture, with a preface by Le Corbusier (the 1957 English edition is titled Architecture of Truth).
In the preface Corbusier writes that light and shadow are the “loudspeakers of this architecture of truth”. In parallel, between 1953 and 1960, he builds the monastery of La Tourette near Lyon.
— Certain: the modernists of the 20th century chose the Cistercians as their predecessors themselves, and came to look.
— Certain: “Ornament and Crime” was first delivered as a lecture on 21 January 1910; the date 1908 circulated widely but is wrong. Publication came in 1913 (French) and 1929 (German).
— Myth: that the Cistercians “invented functionalism”. The word function does not occur in their documents — those speak of poverty, obedience and distraction.
The Cistercians gave up decoration for the sake of poverty, obedience and an undistracted mind. That is theology, not a theory of form. “Truth to materials” and “function” are 19th- and 20th-century concepts read back into the text.
The floors were laid with patterned tile (it survives in the choir at Fontenay), the seals were figurative, and the manuscripts were painted: before the ban (the Stephen Harding Bible, 1109–1111; the Moralia in Job, c. 1111) and again after it eroded. A caveat: grisaille in the windows is patterned but colourless — that is not the ban lapsing, it is the ban being kept. The empty stone boxes we see today are largely a result of the Reformation and the Revolution.
The flat east end was traditionally explained by Bernard's personal views on simplicity. Conrad Rudolph shows that it is a compromise plan of the order as a whole, and that the traditional reading itself arose under the influence of modern architecture on scholars.
Two centuries later many houses had figurative windows, embroidered vestments and luxurious manuscripts again. An order that began by refusing wealth grew rich — the classic plot of monastic reform.
Not a style and not a fashion, but a normative document with a mechanism of enforcement: the general chapter adopts a rule, the annual visitation checks that it is kept. This worked on hundreds of sites in a dozen countries at once — in effect, the first brand guide in Europe with an audit attached.
Having removed figurative decoration, the Cistercians were forced to move the whole of their expression onto proportion, masonry, acoustics and light. Modernism would formulate the same move again: take away ornament and geometry and material start doing the work.
The Cistercians were not predecessors of the Bauhaus — they were made into predecessors after the fact, in the 20th century. That does not cheapen the connection: the history of design consists largely of such retrospective adoptions. But the honest way to put it is not “they anticipated us” but “we read them that way”.
In one line. What appeared in 12th-century Burgundy was not an ascetic aesthetic but an ascetic regulation — and it turned out strong enough that eight hundred years later people with entirely different aims recognised themselves in it.
Web version of an authored presentation on the history of design. Subject, text, diagrams and typesetting — Daria Seehof.