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Yet Muslims did not only incorporate other cultures, but developed their own. Some commentators neglect this and try to link the Islamic scientific development solely to the influence of the Ancient Greece or Far East. But the real source of Islamic science was the experimentation and observations of Muslim scientists. In his book The Middle East, Professor Bernard Lewis, an undoubted expert in Middle Eastern history, explains it as follows:
The achievement of medieval Islamic science is not limited to the preservation of Greek learning, nor to the incorporation in the corpus of elements from the more ancient and more distant East. This heritage which medieval Islamic scientists handed on to the modern world was immensely enriched by their own efforts and contributions. Greek science, on the whole rather tended to be theoretical. Medieval Middle Eastern science was much more practical, and in such fields as medicine, chemistry, astronomy and agronomy, the classical heritage was clarified and supplemented by the experiments and observations of the medieval Middle East. 5
As noted by Westerners, this advanced scientific culture of the Islamic world paved the way for the Western Renaissance. Muslim scientists acted in the knowledge that their investigation of God’s creation was a path through which they could get to know Him. Esposito stresses that “Muslim scientists, who were often philosophers of mystics as well, viewed physical universe from within their Islamic worldview and context as a manifestation of the presence of God, the Creator and the source and unity and harmony in nature.” 6 With the transfer of this paradigm and its accumulation of knowledge to the Western world, the advance of the West