Original: In 1564, Dee wrote the Hermetic work Monas Hieroglyphica ("The Hieroglyphic Monad"), an exhaustive Cabalistic interpretation of a glyph of his own design, meant to express the mystical unity of all creation.
Simplified: In 1564, Dee wrote the Hermetic work Monas Hieroglyphica ("The Hieroglyphic Monad") about a symbol of his own design which stood for the mystical unity of all creation.