As Above, So Below

Definition

"As above, so below" is the best-known English summary of the Hermetic principle of correspondence — the idea that the sky and earthly life mirror each other within one unified cosmos. The phrase paraphrases the opening of the Tabula Smaragdina, or Emerald Tablet, a short Hermetic text traditionally credited to Hermes Trismegistus that reached the Latin West through medieval Arabic transmission. Astrologers cite it as the most compact statement of why a chart can be read as meaningful at all.

In Tradition

Hermetic, late-antique, Renaissance, and modern Western symbolic astrology all invoke this axiom as shorthand for one doctrine: the patterns at work in the heavens are also at work in human life — not by one mechanically pushing the other, but by both sharing in a single cosmic order. Copenhaver's Hermetica frames the doctrine through the CH XI image-chain — eternity, cosmos, sun, human — as the core of Hermetic correspondence.

In Practice

In practice the axiom works less like a technique and more like a permission. It lets an astrologer read resonances between sky and life symbolically, without owing anyone a physical-cause account of how planets "do" anything. That permission supports several familiar moves: describing planets in mythic, image-based language (Mars as warrior, Saturn as elder), reading large cosmic cycles as stages of personal development, and treating the chart as a participatory map of where you stand within the larger pattern. Hermetic and Renaissance magical practice pushed the principle further still, into talismanic work that drew celestial qualities down through stones, herbs, and inscribed characters.

Historical Origin

The Tabula Smaragdina survives in Arabic from at least the 8th century, cited in pseudo-Apollonius of Tyana (Balīnūs) material; it reached the Latin West through 12th-century translations of the Sirr al-asrār and the Liber de causis, and circulated widely from the alchemical Renaissance onward. Its closest doctrinal parallel within the philosophical Hermetica is the CH XI image-chain (Greek, c. 2nd–3rd c. CE), preserved in the Nock-Festugière critical edition and rendered into English by Copenhaver.

Etymology

Origin: Latin/Hermetic. Meaning: A paraphrase from the Emerald Tablet (Tabula Smaragdina), a short Hermetic text attributed to Hermes Trismegistus.

Further Reading

• Brian P. Copenhaver, Hermetica: The Greek Corpus Hermeticum and the Latin Asclepius
• Garth Fowden, The Egyptian Hermes: A Historical Approach to the Late Pagan Mind
• Erik Iversen, The Myth of Egypt and Its Hieroglyphs in European Tradition