2 Quotes & Sayings By Heracleitus

Heracleitus of Ephesus was a pre-Socratic Greek philosopher and a poet from the Ionian city of Ephesus, on the coast of Asia Minor. He is often described as the first philosopher of nature. His name means "the one who rolls or wraps up" and he is thought to have been a major influence on the development of dialectics which he used to explain the relationship between cause and effect. Like many pre-Socratics, Heraclitus believed that the world was made up of opposites, from youth/old age to hot/cold, wet/dry, and good/evil Read more

He also believed that everything in the universe was in a constant state of change and flux. Heraclitus is most famous for his doctrine of "ancient paradox", also known as "the law of non-contradiction". This paradox states that nothing can both be and not be at the same time.

Things that contradict each other are said to be in conflict with each other. In order for change to occur, something must give way, it must give way to another thing, or it must give way to itself.