Agrippa's Three Books of Occult Philosophy Explained
There is a book that turns up in almost every history of European magic and that almost nobody has read. You know the name — De occulta philosophia, the Three Books of Occult Philosophy. You know the rumor: the great spellbook of the Renaissance. What actually sits between the covers surprises most readers. It is not a book of conjurations. It is a model of the world.
Contents
De occulta philosophia is Heinrich Cornelius Agrippa's three-part model of Renaissance magic, drafted around 1510 and printed complete in Cologne in 1533 (English translation 1651). Book I covers the hidden virtues of stones, plants and animals; Book II numbers, planetary magic squares and talismans; Book III divine names, angels and the soul's purification. The 1559 "Fourth Book" with conjuring rituals is spurious. It is a work of intellectual history, not a proven method.
The complete three-book edition was printed in Cologne in 1533; Book I appeared in 1531.
Source/tradition: Agrippa, De occulta philosophia libri tres, Cologne 1533
The 1559 Liber quartus is not by Agrippa; his pupil Johann Weyer rejected it.
Source/tradition: Johann Weyer, De praestigiis daemonum; Nauert 1965
In Frankenstein, young Victor reads Cornelius Agrippa and his father calls it "sad trash."
Source/tradition: Mary Shelley, Frankenstein, 1818/1831
Dürer's Melencolia I draws on ideas from Agrippa's circulating manuscript.
Source/tradition: Klibansky, Panofsky and Saxl, Saturn and Melancholy (1964); argued, not proven
Working one planet per evening with its square and a marking candle is how many modern practitioners study the correspondences.
Source/tradition: Modern ceremonial practice after the Golden Dawn
Planetary squares, seals or talismans have any effect.
Source/tradition: No study; the article describes sources
VERIFIED = verifiable in scientific or official sources · TRADITIONAL = historically or culturally recorded · LIVED PRACTICE = widely practiced, experiential knowledge · NOT PROVEN = spiritual interpretation, not scientifically established.
This piece covers who Heinrich Cornelius Agrippa was, what each of the three books really contains, how the work came into being, why a "fourth book" was added that he did not write, and what of it still lives on in practice — from Golden Dawn correspondence tables to the shelf of Victor Frankenstein. What it does not offer: instructions for conjuring, or the claim that any of it works. This is intellectual history, and intellectual history can be checked.
The man who knew too much
Heinrich Cornelius Agrippa von Nettesheim, born in 1486 near Cologne and died in 1535 in France, was very nearly everything at one time or another: lawyer, soldier, physician, court secretary, theologian, university lecturer. What he never stayed for long was employed. He quarreled with faculties, lost patrons and found new ones. In 1519, as town advocate in Metz, he defended a peasant woman accused of witchcraft and won her release — a small act that made him enemies among the Dominican inquisitors for the rest of his life.
He wrote the first draft of De occulta philosophia as a young man, around 1510, and sent it to Johannes Trithemius, abbot of Sponheim — himself a scholar with a reputation for ciphers and secret knowledge. Trithemius replied warmly and with a piece of advice that sets the tone for the whole tradition: speak of common things to the common crowd, and of higher, secret things only to your trusted friends.
The work was not printed for another two decades. Book I appeared in 1531; the complete three-book edition followed in 1533 in Cologne — revised, expanded and more cautiously worded than the 1510 draft.
Three worlds, three books
Agrippa's structure is not a whim; it is the frame of his thinking. He divides reality into three stories: the elemental world of things, the celestial world of stars and numbers, and the intellectual world of spirits and divine names. Each book treats one story. Read together, the idea goes, they show how influence trickles down from above to below — the old hermetic "as above, so below" worked out as a library.
| Book | World | What it covers |
|---|---|---|
| I | Elemental | The four elements; hidden virtues of stones, plants and animals; sympathy and antipathy; the senses, passions and imagination |
| II | Celestial | Numbers and their meanings, planetary squares and seals, astrological images, talismans, proportion, music |
| III | Intellectual | Names of God, Kabbalah, hierarchies of angels, purification, the soul and its ascent, prophecy |
Book I: the world of things
In long stretches Agrippa reads like a sixteenth-century naturalist — except that his natural history has an extra layer. Every thing, besides its obvious qualities, has a hidden power, a virtus occulta. Why does a magnet draw iron? Not because of its color, weight or warmth. So there must be something else.
From that observation he builds an enormous system of assignments: which plant belongs to the Sun, which stone to Mars, which animal to Venus. If you have ever used a table of planetary herbs, or matched an incense to a weekday, you have used a great-grandchild of these lists. The same goes for the seven planetary metals. Add a chapter on imagination and passion that sounds surprisingly modern: for Agrippa, the state of the person acting is part of the effect.
Book II: the world of numbers
This is the most mathematical book, and the one the most famous images come from. Here are the planetary squares: magic squares in which every row, every column and both diagonals add up to the same number, one assigned to each of the seven classical planets. Saturn gets the smallest, a three-by-three square summing to 15; Jupiter a four-by-four summing to 34; and so on up to the Moon's nine-by-nine. From the paths the numbers trace across each square, Agrippa derives the seals you still see on talismans today.
The four-by-four square has a famous twin. In 1514 Albrecht Dürer engraved Melencolia I, and on the wall behind his brooding angel hangs a four-by-four magic square summing to 34 — with the year 1514 in the bottom row. Art historians since Erwin Panofsky have tied the print to the ideas of Agrippa's circulating manuscript: melancholy was Saturn's temperament, and Jupiter's square was the traditional remedy against it. Dürer's arrangement is not identical to Agrippa's printed table, but the idea behind it is the same.
The chapter on astrological images links straight back to the Arabic talismanic literature that reached Europe through Spain — the same line the Picatrix comes from. Agrippa systematizes what lay scattered there.
 |
What we hold for this Jupiter Oil Candle — Refillable Ritual Candle, from $25.95 (3 oz). Agrippa's Book II gives Jupiter the four-by-four square, the same one Dürer hung behind his melancholic angel as the counterweight to Saturn. If you want to work through the planetary material the way the book lays it out — one planet, one evening, one table open in front of you — a Jupiter lamp on a Thursday is a fitting marker for the session. Honest note: this is a modern refillable oil lamp with dried botanicals, not a Renaissance talisman, and nothing in Agrippa promises that a flame brings luck. It marks a beginning and an end. That is the job. |
Book III: the world of names
The most theological book, and the most dangerous for its time. It treats the names of God, the orders of angels, the assignment of Hebrew letters to numbers — kabbalistic material Agrippa drew from the Christian kabbalists of the Renaissance, above all Johannes Reuchlin. The letter-number method itself is explained in our guide to gematria, and the angelic seals that later books built on it in archangel symbols and sigils.
What is striking is where Book III is heading: not toward power, but toward purification and ascent. The practitioner has to prepare himself — live abstemiously, pray, order his mind. Anyone expecting a collection of compulsion formulas finds an ascetic manual instead. In that respect Agrippa stands much closer to the late-antique theurgists than to the conjurers who later borrowed his name.
The retraction that wasn't
In 1530, a year before Book I was printed, Agrippa published a polemic titled De incertitudine et vanitate scientiarum — "On the Uncertainty and Vanity of the Sciences." In it he takes apart every discipline of his day in turn, magic included.
Scholars have argued ever since. Did he recant? Or was the polemic a shield that made it possible to print the great work at all? The timeline favors the second reading: he went ahead and published the Occult Philosophy anyway, expanded rather than cut. There is no clean answer, and anyone who claims one is telling you more about themselves than about Agrippa.
The fourth book that isn't his
In 1559, twenty-four years after Agrippa's death, a Liber quartus de occulta philosophia appeared — a "fourth book" that suddenly supplied everything the original lacks: conjuration of spirits, circles, invocation formulas, practical ritual instructions.
Contemporaries already considered it spurious. Johann Weyer, the physician and Agrippa's former pupil, who was in a position to know, rejected the attribution outright — the same Weyer whose list of demons later fed the Ars Goetia. The fourth book traveled on through ritual literature anyway, and an English translation by Robert Turner in 1655 helped fix the picture of the conjurer in a chalk circle: an image that comes from a forgery, not from Agrippa's work. How often that happens in the history of grimoires is remarkable in itself.
What lived on — and how it reached America
Agrippa's trail is wide. John Dee owned his work and used it. The Keys of Solomon share his visual language. The Hermetic Order of the Golden Dawn built its grade system in the 1880s and 1890s on a foundation in which Agrippa's tables are impossible to miss; the order's history shows how much of its correspondence work runs through him. And modern hermetic training literature still works with his three-level model.
The English-speaking world met him in 1651, when a translator signing himself "J.F." — usually identified as the physician John French — published Three Books of Occult Philosophy in London. That translation, reprinted again and again, is the Agrippa most English readers have known. The standard modern edition is American: Donald Tyson's annotated edition, published by Llewellyn in Minnesota in 1993, which corrects French's text and runs to more than nine hundred pages.
Literature took him up too. In Mary Shelley's Frankenstein (1818), young Victor stumbles on a volume of Cornelius Agrippa at an inn, devours it, and is told by his father that it is "sad trash" — the first step on the road to the laboratory. The Faust legend had already inherited him: the scholar who knows too much and pays for it carries some of Agrippa's features in early versions. His contemporaries whispered that a black dog followed him everywhere — his pet, which rumor turned into a demon. Weyer, who had lived in the house and knew the animal, insisted it was just a dog.
What we don't promise
- That any of the operations described has any effect. This piece describes what is in the sources.
- That the question of the retraction is settled — scholars disagree.
- That Agrippa's remedies are usable today. Some demonstrably are not; a few of his ingredients are simply poisonous.
- That the work opens up without background. It assumes Latin, astrology and a working knowledge of the Bible.
What remains is the most complete model of Renaissance magic ever written down — and the key to almost everything that came after it.
Practically: how to approach it
- Read the table of contents first. It is a reference work, not a novel. Hardly anyone reads it front to back, and there is no need to.
- Start with Book I. The chapters on the hidden virtues of things are the most accessible and show the principle without which the rest stays opaque.
- Check the edition. Make sure a volume contains the genuine three-book work and says clearly whether it also prints the spurious fourth book — both are sold under the same name. For English readers, Tyson's annotated Llewellyn edition is the one to reach for.
- Read it as history, not as a recipe book. Agrippa's medical passages reflect the state of knowledge in 1533.
- Draw a planetary square. The fastest way to understand the thinking: take Saturn's three-by-three square, check the sums, trace the path of the numbers from 1 to 9. You need paper and twenty minutes. Then do Jupiter's and compare it with Dürer's.
- Set yourself an end. Trithemius' advice still holds in a sober form: not every conversation needs every subject. Study, then stop — a burned-down candle is a more honest unit of work than an open-ended evening.
Frequently asked questions
What is in De occulta philosophia?
Three books about three levels of the world: Book I on the hidden virtues of stones, plants and animals; Book II on numbers, planetary squares and talismans; Book III on the names of God, angels and the preparation of the soul.
When was it published?
The draft was written around 1510 and sent to Johannes Trithemius. Book I was printed in 1531, the complete three-book edition in 1533 in Cologne. The first English translation, by "J.F.," appeared in London in 1651.
Is there a fourth book by Agrippa?
No. The Liber quartus published in 1559 is considered spurious; Agrippa's own former pupil Johann Weyer rejected the attribution. It contains the conjuring instructions that the genuine work lacks.
Did Agrippa renounce magic?
That is disputed. His 1530 treatise on the vanity of the sciences attacks magic along with everything else — yet a year later he had the main work printed anyway, expanded rather than cut.
What are planetary squares?
Magic squares in which rows, columns and diagonals all add up to the same number. Agrippa assigns one to each of the seven classical planets — Saturn three by three, Jupiter four by four, up to the Moon nine by nine — and derives the seals used on talismans from them.
Why does Victor Frankenstein read Agrippa?
Mary Shelley used him as the emblem of outdated, forbidden learning. In the novel Victor finds a volume of Cornelius Agrippa at thirteen, is dismissed by his father for reading it, and pursues the dream of mastering nature anyway — with the known result.
Who did Agrippa influence?
John Dee, the ritual literature of the Keys of Solomon, the Hermetic Order of the Golden Dawn and through it much of modern ceremonial magic — and, indirectly, the Faust legend and Shelley's Frankenstein.
Sources & further reading
- Heinrich Cornelius Agrippa von Nettesheim, De occulta philosophia libri tres, Cologne 1533; Book I first printed 1531.
- Agrippa, De incertitudine et vanitate scientiarum et artium, 1530.
- Three Books of Occult Philosophy, translated by "J.F." (John French), London 1651; Donald Tyson (ed.), Three Books of Occult Philosophy, Llewellyn, 1993.
- Liber quartus de occulta philosophia, 1559 — pseudepigraphical; rejected by Johann Weyer. English translation by Robert Turner, 1655.
- Christopher I. Lehrich, The Language of Demons and Angels: Cornelius Agrippa's Occult Philosophy, Brill, 2003; Charles G. Nauert, Agrippa and the Crisis of Renaissance Thought, University of Illinois Press, 1965.
- Raymond Klibansky, Erwin Panofsky and Fritz Saxl, Saturn and Melancholy, 1964 — on Dürer's Melencolia I and Agrippa.
- Mary Shelley, Frankenstein; or, The Modern Prometheus, 1818, chapter 2 (1831 text).
This piece places a historical work in the history of ideas. It contains no instructions and makes no promise of effect; the recipes described are historical and in part harmful to health. Questions about an order: 28@templeofdesire.com.
