You cannot step twice into the same river, for other waters are continually flowing on

You cannot step twice into the same river, for other waters are continually flowing on

Heraclitus, the ancient Greek philosopher known for his doctrine of change and flux, famously stated, "You cannot step twice into the same river, for other waters are continually flowing on." This profound statement encapsulates Heraclitus' belief in the ever-changing nature of the universe and the concept of impermanence.