Heraclitus (; ‹See Tfd›Greek: Ἡράκλειτος Hērákleitos; fl. c. 500 BC) was an ancient Greek pre-Socratic philosopher from the city of Ephesus, which was then part of the Persian Empire. He exerts a wide influence on ancient and modern Western philosophy, including through the works of Plato, Aristotle, Hegel, and Heidegger. Little is known of Heraclitus's life. He wrote a single work, only fragments of which have survived, catalogued under philosopher number 22 in the Diels–Kranz numbering system.
https://en.wikipedia.org/wiki/Heraclitus