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Principles of Astrology and Astrology-Related Aphorisms by Medieval Astrologer Cardan

Aphorisms on astrology from the book "Seven Segments" of the Medieval astrologer Cardan Principles of astrology 1.  Life is short, Art long, Experience not easily obtained, Judgment difficult , and therefore it is necessary, that  a Student not only exercise himself in considering several Figures, but also that he diligently read the writings of others who have treated rationally of this Science , and make it his business to find out the true natural causes of things by experiments, to know the certain places and processions of the Planets and Fixed Stars, Constellations, etc., but  above all to be a passionate lover of truth . 2.  The Principles of Art are three: Reason, Sense, and Experience , but the Principles of Operations four, viz.: The Planets, The Parts of Heaven, The Fixed Stars, and the Site or Position of all those in respect of one another. 3. There are some things perfectly known, as the Circle of Ascension; some in a competent measure,...