He argued that everything in the world is animated and that even stones have psyche, or the principle of self-motion.
According to one legend, he made possible the crossing of the Halys River by King Croesus when he diverted its waters. Another tradition credits him with discovering the seasons and dividing the year into 365 days, while he is also said to have discovered the source of the moon's light. His namesake geometrical theorem says that any angle inscribed in a semi-circle is always a right angle, and it was probably through travels to Egypt and Babylon that he was able to predict a solar eclipse in 585 BC. He argued that everything in the world is animated and that even stones have psyche, or the principle of self-motion. A member of the Seven Sages who is credited with founding the Ionian school, FTP, name this Milesian thinker who believed that the originating principle of the world was water.
According to one legend, he made possible the crossing of the Halys River by King Croesus when he diverted its waters.
Thales of Miletus