'I know that I am mortal, the creature of one day; but when I explore the winding courses of the stars I no longer touch with my feet the Earth: I am standing near Zeus himself, drinking my fill of Ambrosia, the food of the gods.' Ptolemy, Anthologia Palatina, 9.577. Is referred to as 'the most famous of Greek astrologers' and 'a pro-astrological authority of the highest magnitude'. Garena Hack Shell there. As a source of reference his Tetrabiblos is described as having 'enjoyed almost the authority of a Bible among the astrological writers of a thousand years or more'.

Compiled in in the 2nd century, the work gathered commentaries about it from its first publication. It was translated into in the 9th century, and is described as 'by far the most influential source of medieval Islamic astrology'. With the translation of the Tetrabiblos into Latin in the 12th century, 'Ptolemaic astrology' became integrated by and into medieval doctrine. This acceptance encouraged the teaching of Ptolemaic astrology in universities, often linked to medical studies. This, in turn, brought attention in literary works, such as 's, which helped shape the, religious and of during the. The Tetrabiblos was largely responsible for laying down the basic precepts of astrology, and was a necessary textbook in some of the finest universities of Renaissance and.

'Nobody knows that Zionism appeared as a Marxist movement, a socialist one. Zionism is actually a revolution.' (Sergei Lezov, scientist at the Soviet Academy of.

16th-century woodcut depicting Ptolemy, from Les vrais portraits et vies des hommes illustres, Paris, 1584, f°87. Ptolemaic astrology continued to be taught at European universities into the 17th century, but by the mid-17th century the study struggled to maintain its position as one of the respected. At this time, the contents of the Tetrabiblos started to draw stigmatisation as part of 'a diabolical art of divination'.

One 17th-century critic was to write of its subject: 'no superstitious art is more fitted to forward the aims of the devil than the astrology of Ptolemy'. The intellectual standing of astrology collapsed rapidly at the end of the 17th century, but the historical impact of the Tetrabiblos upon world culture continues to engage the attention of scholars of and the. It also maintains its position as an influential textbook for practitioners of modern western astrology, and English translations of the text were published by in the 18th, 19th and 20th centuries. The early 20th-century astrologer reported that the astrology of his era 'originated almost entirely in the work of the Alexandrian astrologer, Claudius Ptolemy'.

Even 21st-century astrological textbooks have described the Tetrabiblos as being 'without a doubt, indispensable for any serious student of astrology'. The work's enduring significance is attributed to several factors: Ptolemy's reputation as one of the greatest philosophers and scientists of the ancient world, the text's astrological importance as one of the oldest complete manuals on that subject, and the unprecedented order and quality of Ptolemy's astrological explanations.

The 'outstanding mark of Ptolemy’s astrology' is described as 'informed by the philosophical and scientific spirit of his age'. Ptolemy wrote at a time when 'physics' was defined by, and his account of stellar effects was expressed in terms of the four Aristotelian qualities (hot, cold, wet, and dry) set against the philosophical notion of and. His objective was to explain the rationale of astrology in such terms, so the work is also notable for its dismissal of astrological practices which lack a direct astronomical basis: As for the nonsense on which many waste their labour and of which not even a plausible account can be given, this we shall dismiss in favour of the primary natural causes; we shall investigate, not by means of lots and numbers of which no reasonable explanation can be given, but merely through the science of the aspects of the stars to the places with which they have familiarity. The book opens with an explanation of the philosophical framework of astrology which aims to answer the arguments of critics who questioned the subject's validity. Of this,, in his History of Magic and Experimental Science, writes: 'Only the opponents of astrology appear to have remained ignorant of the Tetrabiblos, continuing to make criticisms of the art which do not apply to Ptolemy's presentation of it or which had been specifically answered by him'.