Pythagoras: Life and Main Philosophical Ideas

Pythagoras, a pivotal figure in ancient Greek philosophy and mathematics, founded a community in Croton that blended philosophy, religion, and lifestyle. He emphasized that all things are grounded in numerical relationships, linking harmony with cosmic order. His teachings and influence shaped Western thought, particularly in mathematics, ethics, and philosophy.

Heraclitus: Life and Main Philosophical Ideas

Heraclitus, an early Greek philosopher from Ephesus, emphasized the constant flow and change of reality, famously articulating that one cannot step into the same river twice. He believed in a deeper order called logos, coexisting with change. His philosophy asserts that opposites generate harmony and that conflict is integral to existence, challenging traditional notions of stability and order.

Thales: Life and Main Philosophical Ideas

Thales of Miletus, a key figure in ancient Greek philosophy, proposed water as the fundamental principle of all things and shifted explanations from mythology to nature. He emphasized that nature is ordered and intelligible, laying the groundwork for rational inquiry. His approach marked the beginning of Western philosophy and the search for unified principles.