To enter this "Holy Kingdom" (Sanctum Regnum), Lévi posits that a seeker must master four fundamental pillars of the Magus, often called the Four Words of the Sphinx:

: An intelligence illuminated by deep study. To Will (Velle) : A will that cannot be broken. To Dare (Audere) : An intrepidity that nothing can check.

: A prudence that cannot be corrupted or intoxicated. Core Philosophy and Themes The Magical Ritual of the Sanctum Regnum - Troy Books

The is a profound occult text written by the 19th-century French esotericist Éliphas Lévi . It serves as a mystical framework that interprets the Tarot trumps through the lens of Kabbalistic philosophy and ceremonial magic.