Definition

Pronunciation: az uh-BUV so bee-LOH

Also spelled: As Below So Above, Quod est superius, That which is above

A condensed rendering of the second verse of the Emerald Tablet: 'That which is above is like that which is below, and that which is below is like that which is above, to accomplish the miracles of the one thing.' Declares that the same patterns operate at every level of existence — cosmic, terrestrial, and human.

Etymology

The phrase derives from the Latin Tabula Smaragdina (Emerald Tablet), itself a translation from Arabic. The earliest surviving Arabic version appears in the Kitab Sirr al-Khaliqa (Book of the Secret of Creation), attributed to Balinas (pseudo-Apollonius of Tyana), dated to approximately the sixth to eighth century CE. The Latin translation by Hugo of Santalla (fl. 1140s) established the wording that entered European intellectual tradition. The condensed English form 'As above, so below' is a modern distillation — no classical source uses exactly these four words, but the axiom they compress has functioned as the foundational statement of Hermetic philosophy for over a millennium.

About As Above, So Below

The second verse of the Emerald Tablet, first recorded in Arabic between the sixth and eighth centuries CE, reads in Hugo of Santalla's twelfth-century Latin: 'Quod est superius est sicut quod inferius, et quod est inferius est sicut quod est superius, ad perpetranda miracula rei unius.' This statement — that the upper and lower realms mirror each other to accomplish the workings of a single thing — became the axiomatic foundation of Hermetic thought. Every subsequent Hermetic text, from the medieval alchemical corpus through Renaissance Neoplatonism to modern esoteric orders, operates within the framework this axiom establishes.

The philosophical content is precise and should not be reduced to vague mysticism. The axiom makes a structural claim: the patterns governing the largest scale of reality (the movements of celestial bodies, the unfolding of cosmic cycles) are identical in form to the patterns governing the smallest scale (the behavior of metals in an alembic, the physiology of the human body, the movements of the psyche). This is not analogy or metaphor. The Hermetic tradition treats correspondence as ontological — the same laws literally operate at every level because all levels emanate from a single source.

The Corpus Hermeticum, a collection of Greek philosophical dialogues composed between the first and third centuries CE in Hellenistic Egypt, develops this principle extensively. In Tractate I (Poimandres), the divine Nous reveals to Hermes that the human being is a microcosm containing all seven planetary powers within the structure of the soul. The descent of the soul through the planetary spheres in Poimandres is not a journey through external space but through layers of the self that correspond to cosmic principles. The human being who knows themselves therefore knows the cosmos — a claim that only makes sense if 'as above, so below' is literally true.

Tractate III (The Sacred Discourse) states that God made the cosmos 'in the image of his own form,' and then made humanity 'in the image of the cosmos.' This double imaging — God to cosmos, cosmos to human — establishes the chain of correspondence that the axiom summarizes. The Asclepius, a Hermetic dialogue preserved in a Latin translation attributed to Apuleius, calls the human being 'a great miracle' (magnum miraculum) precisely because the human stands at the intersection of above and below, containing both the divine and the material within a single being.

In alchemical practice, 'as above, so below' functioned as a working methodology. The alchemist observed celestial configurations (planetary hours, zodiacal positions) and timed laboratory operations accordingly, not from superstition but from the conviction that the same forces shaping metal in the flask were operating through planetary influence. Jabir ibn Hayyan (Geber, fl. 8th century CE) systematized this approach in his theory of the balance (mizan), which held that every substance possessed measurable qualities corresponding to celestial ratios. Correct manipulation required aligning laboratory operations with cosmic timing.

The Renaissance Hermetic revival, catalyzed by Marsilio Ficino's 1463 translation of the Corpus Hermeticum from Greek into Latin, placed 'as above, so below' at the center of European intellectual life. Ficino, working at the Medici court in Florence, argued in De Vita Coelitus Comparanda (1489) that the human being could draw down celestial influences through sympathetic correspondences — specific stones, plants, metals, colors, and sounds that resonated with planetary forces. This was applied Hermetic axiom: if the above and below are structurally identical, then manipulating below-level elements that correspond to above-level forces should produce real effects.

Giovanni Pico della Mirandola extended the principle in his Oration on the Dignity of Man (1486), arguing that humanity's unique position in the cosmos — below the angels, above the animals — gave the human being the capacity to move through all levels of the cosmic hierarchy. The human is the one being who can consciously enact the correspondence between above and below, ascending through contemplation or descending through materiality by choice.

Paracelsus applied the axiom to medicine with characteristic directness. In his Astronomia Magna (c. 1537), he argued that every organ in the human body corresponded to a celestial body: the heart to the Sun, the brain to the Moon, the liver to Jupiter, the spleen to Saturn, the kidneys to Venus, the gallbladder to Mars, the lungs to Mercury. Disease resulted from the disruption of these correspondences — when the 'inner stars' fell out of alignment with the outer stars. Treatment meant restoring the correspondence, using substances whose celestial signatures matched the organ requiring healing.

The axiom also structured Kabbalistic thought, though from a different textual tradition. The Sefer Yetzirah (Book of Formation, composed between the second and sixth centuries CE) maps the twenty-two Hebrew letters onto the twelve zodiacal signs, seven planets, and three elements, establishing a system of correspondence between linguistic, cosmic, and elemental reality. The Zohar (13th century) develops the microcosm-macrocosm principle through the doctrine of the Sefirot — ten divine emanations that structure both the cosmic tree and the human soul. While the Kabbalistic tradition does not cite the Emerald Tablet, it operates within the same axiomatic framework.

Isaac Newton, who translated the Emerald Tablet from Latin and kept the translation among his alchemical papers (now housed at King's College, Cambridge), took the axiom seriously enough to spend decades on alchemical experiments alongside his mathematical physics. Newton's concept of universal gravitation — a single force operating identically at every scale, governing both falling apples and orbiting planets — can be read as a mathematical formulation of 'as above, so below,' though Newton would not have phrased it that way publicly.

The axiom's modern reception splits along two lines. In popular culture, 'as above, so below' has become a loose spiritual platitude, stripped of its specific philosophical content and applied to anything from positive thinking to interior design. In serious esoteric scholarship and practice, the axiom retains its original precision: it is a claim about the structure of reality, testable through observation of correspondences, and foundational to practices ranging from astrology to alchemy to contemplative prayer. The distance between these two receptions measures how far the axiom has traveled from its Alexandrian origins.

Significance

This axiom is the single most important statement in the Western esoteric tradition. Every Hermetic practice — alchemy, astrology, talismanic magic, sympathetic medicine — depends on it being true. If above and below do not correspond, then reading the stars to understand the body, or timing laboratory operations to planetary hours, or using specific stones to draw down celestial influences, is incoherent. The axiom is not decoration; it is load-bearing infrastructure.

Historically, 'as above, so below' provided the intellectual framework within which pre-modern science operated. The correspondence principle motivated centuries of careful observation — alchemists documenting the behavior of metals, astrologers mapping planetary cycles against earthly events, physicians correlating disease with celestial configurations. That many of these observations proved incorrect does not diminish the axiom's role in driving systematic inquiry. The insistence that reality follows discernible patterns operating at every scale is itself a proto-scientific commitment.

The axiom also carries implications for self-knowledge. If the human being genuinely contains the cosmos in miniature, then introspection becomes a form of cosmology, and cosmology becomes a form of self-knowledge. This bidirectional insight — know yourself to know the universe, know the universe to know yourself — remains one of the Hermetic tradition's most compelling offerings to contemporary thought.

Connections

This axiom is the central teaching of the Emerald Tablet, attributed to Hermes Trismegistus. It directly expresses the Principle of Correspondence as formulated in the Kybalion.

In alchemical practice, the axiom governs the relationship between celestial timing and laboratory operations — the alchemist working with prima materia must align the work below with the movements above. The Kabbalistic Tree of Life embodies the same principle through the Sefirot, which structure both cosmic and human reality.

The axiom connects to the yogic concept of the body as microcosm (the chakras mirroring cosmic planes) and to the Jyotish principle that planetary positions at birth encode the individual's karmic structure. Across traditions, the conviction that inner and outer reality mirror each other appears independently, suggesting a perennial insight rather than mere cultural borrowing.

See Also

Further Reading

  • Brian P. Copenhaver, Hermetica: The Greek Corpus Hermeticum and the Latin Asclepius in a New English Translation. Cambridge University Press, 1992.
  • Florian Ebeling, The Secret History of Hermes Trismegistus: Hermeticism from Ancient to Modern Times. Cornell University Press, 2007.
  • Garth Fowden, The Egyptian Hermes: A Historical Approach to the Late Pagan Mind. Princeton University Press, 1993.
  • M. David Litwa, Hermetica II: The Excerpts of Stobaeus, Papyrus Fragments, and Ancient Testimonies. Cambridge University Press, 2018.
  • Isaac Newton, Translation of the Emerald Tablet, MS Keynes 28, King's College, Cambridge.
  • Antoine Faivre, The Eternal Hermes: From Greek God to Alchemical Magus. Phanes Press, 1995.

Frequently Asked Questions

Is 'as above, so below' found word-for-word in any ancient text?

No. The four-word English phrase is a modern condensation. The oldest surviving version is in Arabic, in the Kitab Sirr al-Khaliqa (Book of the Secret of Creation), attributed to Balinas and dated between the sixth and eighth centuries CE. Hugo of Santalla's twelfth-century Latin translation gives: 'Quod est superius est sicut quod inferius, et quod est inferius est sicut quod est superius, ad perpetranda miracula rei unius.' The condensed English form gained wide circulation through occult literature of the nineteenth and twentieth centuries, particularly through the Hermetic Order of the Golden Dawn and Aleister Crowley's writings. The compression loses the second half of the original statement — the purpose clause ('to accomplish the miracles of the one thing') — which specifies that the correspondence exists in service of a unified creative process, not as a static fact.

How did 'as above, so below' influence the development of Western science?

The correspondence principle motivated systematic observation of nature for centuries before the scientific revolution. Alchemists meticulously documented the behavior of metals and compounds, astrologers recorded planetary positions against earthly events with mathematical precision, and physicians like Paracelsus correlated organ function with celestial bodies. While the specific correspondences they proposed were largely incorrect, the underlying commitment — that reality follows discernible, repeatable patterns operating at multiple scales — is itself a scientific attitude. Newton's work is the clearest case: he spent more time on alchemy and biblical chronology than on physics, and his concept of a universal gravitational force operating identically at every scale is structurally identical to the Hermetic axiom. The correspondence principle was eventually replaced by empirical methodology, but it provided the intellectual scaffolding within which empirical methodology could develop.

What is the difference between Hermetic correspondence and ordinary metaphor?

Metaphor says A is like B for purposes of illustration — the comparison is literary, not ontological. Hermetic correspondence says A and B are structurally identical because they are produced by the same underlying principle operating at different scales. When the Hermetists say the heart corresponds to the Sun, they do not mean the heart is poetically similar to the Sun. They mean the same formative force that produces solar activity in the macrocosm produces cardiac function in the microcosm, and that these two expressions can influence each other through sympathetic resonance. This is why alchemists timed operations to planetary hours and physicians prescribed solar herbs (saffron, St. John's wort, gold preparations) for heart conditions. The practice only makes sense if correspondence is real, not figurative. Whether correspondence is in fact real is debatable, but the Hermetic tradition is unambiguous that it intended the claim literally.