Of Western Philosophy : Interpret... | The BeginningAs the "Natural Philosophy" of the Milesians matured, the focus eventually shifted from the stars to the streets. The began teaching rhetoric and relativism, which paved the way for Socrates . Socrates moved the goalposts from "What is the world made of?" to "How should I live?" and "What is justice?" They introduced three core concepts that still drive us today: The beginning of western philosophy : interpret... Often called the first philosopher, Thales famously claimed that "all is water." While it sounds simple today, it was revolutionary because it suggested a single, material explanation for the world's complexity, rather than attributing everything to the whims of gods like Poseidon or Zeus. As the "Natural Philosophy" of the Milesians matured, A student of Thales, he argued that the source couldn't be a specific element like water, but must be the Apeiron —an "indefinite" or "boundless" substance that balances the opposites of the world (hot/cold, wet/dry). A student of Thales, he argued that the |