…into two main classes: “popular” Hermetism, which deals with astrology and the other occult sciences; and “learned” Hermetism, which is concerned with theology and philosophy. Both seem to have arisen in the complex Greco-Egyptian culture of the Ptolemaic and Roman periods.

This spiritual alchemy, or Hermetism, as its practitioners often prefer to call it, was popularly associated with the supposititious Rosicrucian brotherhood, whose so-called Manifestoes (author unknown; popularly ascribed to the German theologian Johann Valentin Andreä) had appeared in Germany in the early 17th century and had attracted the favourable…

…fresh importance to the so-called Hermetic tradition. He conceived that the Christian religion was part of a historic process necessary for the development of consciousness, and he also thought that the heretical movements, starting with gnosticism and ending in alchemy, were manifestations of unconscious archetypal elements not adequately expressed in…

… explored the mystical traditions of Hermeticism, based on works of the legendary Alexandrian prophet of the 1st–3rd century Hermes Trismegistus. Although generally tolerated because their practices were perceived to be within the main Judaic and Christian Hermetic tradition, practitioners of alchemy were sometimes considered to be evil magicians who acquired…

…another intellectual world, the magical Hermetic tradition, which sought to explain natural phenomena in terms of alchemical and magical concepts. The two traditions of natural philosophy, the mechanical and the Hermetic, antithetical though they appear, continued to influence his thought and in their tension supplied the fundamental theme of his…

During his time of isolation, Newton was greatly influenced by the Hermetic tradition with which he had been familiar since his undergraduate days. Newton, always somewhat interested in alchemy, now immersed himself in it, copying by hand treatise after treatise and collating them…

In gnosticism and Hermeticism—esoteric theosophical and mystical movements in the Greco-Roman world—and the teaching of St. Paul the Apostle, deliverance was sought primarily from the planetary powers that were believed to control human destiny in the sublunar world.