What is Kybalion, the?

A book published in 1908 by "Three Initiates" (widely attributed to William Walker Atkinson) that presents the Seven Hermetic Principles.

The Kybalion: Hermetic Philosophy, published in 1908 by a pseudonymous group known as "Three Initiates," is a seminal text in modern Hermeticism. It purports to be a distillation of ancient Hermetic wisdom, presenting seven core principles that govern the universe: Mentalism, Correspondence, Vibration, Polarity, Rhythm, Cause and Effect, and Gender. While its direct historical lineage to ancient Hermetic teachings is debated among scholars, the Kybalion has profoundly influenced New Thought, Western Esotericism, and various self-help movements, popularizing Hermetic concepts for a broad audience. Its accessible style and systematic presentation of universal laws have made it a foundational work for many seeking to understand the metaphysical underpinnings of reality.

The title "Kybalion" is presented within the text itself as an ancient term of unknown origin, signifying a body of doctrine or a collection of maxims. While some theories suggest a connection to the Greek word "kybeia" (meaning "dice playing" or "divination"), or even a deliberate neologism by the authors, there is no definitive etymological root in established ancient languages. It functions primarily as a unique, evocative designation for the specific philosophical system outlined in the book, rather than possessing a traceable historical linguistic origin.