We both step and do not step into the same river, we both are and are not.
Quote of the Week 4 “ We both step and do not step into the same river, we both are and are not.” ― Heraclitus Triggered by the reference to a variation of the quote in WDR 5 - Das philosophische Radio Podcast with Heinz-Michael Bartling: Weisheit und Wandel (01/05/2026) . Related (see Wikipedia for details): You cannot step into the same river twice Since Plato, Heraclitus's theory of flux has been associated with the metaphor of a flowing river, which cannot be stepped into twice. [ 57 ] [ as ] This fragment from Heraclitus's writings has survived in three different forms: [ 56 ] "On those who step into the same rivers, different and different waters flow" – Arius Didymus , quoted in Stobaeus [ at ] "We both step and do not step into the same river, we both are and are not" – Heraclitus Homericus , Homeric Allegories [ au ] "It is not possible to step into the same river twice" – Plutarch , On the E at Delphi [ av ] The classicis...