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End of Europe's Middle Ages
 
Hermeticism 
 Hermeticism was the notion of God as a magician that 
developed as a result of the translation of texts in the late 1400's 
by Ficino in Florence. These texts were believed to contain the wisdom 
of the Egyptians during the time of Moses and supposedly were written by 
an ancient Egyptian, Hermes Trismegistus (three-times master), who was 
considered to have received divine knowledge of the physical world just 
as Moses received divine knowledge about the moral world. When these texts, 
the Hermetic Writings, became available to Western scholars after the fall of 
Constantinople, they provided the Church with a source of scientific 
information that could be traced back to the time of the original Mosaic 
revelations. The Writings claimed that God had written the secrets of the 
cosmos in a mathematical language. The cosmology of the Hermetic Writings was 
full of magical powers, the secrets available only to the few who were able 
to look beyond surface phenomena by studying the occult. Hermeticism was 
mystical, magical and mysterious.
 There were three major components to hermeticism that were especially 
important to scholars in the late Middle Ages and Renaissance: alchemy, 
numerology and the magic of letters (cryptography and ciphers).
 Alchemy was the art, or science, of corporeal substance, combination and 
mixture. It sought to transmute base metals, such as lead, to precious 
metals, such as gold, by reducing a base metal to prime matter and 
reconstructing it into gold. A second aspect of alchemy was the quest for the 
recipe for the magical elixir, or "Philosopher's Stone", that was believed to 
be able to permeate base metals and in this way transform them into gold. 
To facilitate their efforts, alchemists developed many of the procedures and 
 apparatus that is now used in modern chemical laboratories.
 
Letters, especially the letters of the Hebrew alphabet, were believed to have 
magical powers when arranged in certain combinations. The Cabbala was the 
mystical interpretation of the Hebraic Old Testament. Breaking the code of 
the Bible would, according to tradition, reveal all the secrets of the 
universe. Many hermeticists applied themselves to this goal and attempted to 
reinterpret the Bible using ciphers.
 
  The study of numbers and ratios were yet another aspect of hermetic study. 
Just as letters and combinations of letters were seen to have mystical powers,
 so too did numbers. The study of numbers made an impact upon many other 
areas of scientific study, such as astronomy and mathematics, as well as 
areas that would not be considered scientific by modern definitions, such as 
astrology and numerology.
 In the late Middle Ages, reaction against the rational soulessness of 
Aristotle and the resurgence of neo-Platonism provided an encouraging 
environment to the mystical spirituality of hermeticism causing the philosophy
 to attract many followers. In the sixteenth century, Isaac Casaubon 
discovered that the Hermetic Writings were far from ancient, having actually 
been written in the second century, and were part of the early Neoplatonic 
movement. Despite this proof of the fraudulent nature of the texts, 
hermeticism continued to be very popular and influenced many of the great 
scientific minds of the Renaissance and early modern periods, among them 
Copernicus, Robert Boyle and Sir Isaac Newton.
 
 
 
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