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The Milesians

In his account of his predecessors’ searches for “causes and principles” of the natural world and natural phenomena, Aristotle says that Thales of Miletus (a city in Ionia, on the west coast of what is now Turkey) was the first to engage in such inquiry. He seems to have lived around the beginning of the 6th c. BCE. Aristotle mentions that some people, before Thales, placed great importance on water, but he credits Thales with declaring water to be the first cause (Metaphysics 983b27–33), and he then later raises the question of whether perhaps Hesiod was the first to look for a cause of motion and change (984b23ff.). These suggestions are rhetorical: Aristotle does not seriously imply that those he mentions are engaged in the same sort of inquiry as he thinks Thales was. Two other Greek thinkers from this very early period, Anaximander and Anaximenes, were also from Miletus, and although the ancient tradition that the three were related as master and pupil may not be correct, there are enough fundamental similarities in their views to justify treating them together. (Adding Standford and Wikipedia content into further reading is done)

Arche is Water
The world rests on water (Aristotle Metaphysics) 
Thales water is the beginning and end of everything. (Metaphysics p.13) 

Some say that soul has been mixed in the whole world. On this basis, perhaps, Thales also held that all things are full of gods. (Aristotle - On the soul p.19 411a 9) 

Thales the first philosopher compared the soul with a magnet which makes an iron move (Aristotle - On the soul p.XI and p7 405a 19) 

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