Ernst and Falk: Dialogues for Freemasons

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A central circular emblem is featured on the page. In the middle of an oval frame, a white pelican is shown "in her piety." This is a traditional image where the mother bird pecks her own breast to feed her chicks with her blood. She sits upon a cubic stone or nest decorated with five roses. A golden sun with long rays shines from above against a blue sky. The words "HERMETIC PHILOSOPHY" are printed in an arc around the image. The green border of the oval likely represents an ouroboros, a serpent biting its own tail to symbolize eternity.

[Lessing]

Hermetic Philosophy: A system of thought based on writings attributed to Hermes Trismegistus. It focuses on the hidden laws of nature and the soul.
Pelican in her piety: A symbol of self-sacrifice and devotion. Within Freemasonry, it is a primary symbol of the Rose Croix degree.
Alchemy: A tradition aimed at the purification and perfection of objects and the human spirit.
Rosicrucianism: A secret society of the 17th and 18th centuries. It used symbols like the rose and the cross to teach mystical truths.
Emblem: An image used to represent an idea or a moral lesson.