Greek philosopher born in Miletus (ca. 624-546 BCE). Thales was a pre-Socratic philosopher, one of the Seven Sages of Greece. Herodotus reports that Thales predicted a solar eclipse in 585 BCE, thus ending a war between the Lydians and Medes. Thales' philosophy was founded on the belief that water, one of the four elements, is the origin and ultimate end of all things.

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