The Flux Interpretation of Heraclitus Is Wrong

The world is like the river. It doesn't persist, but is constantly flowing. There is only change, and nothing ever remains the same from one moment to the next. This version of heraclitus is epitomized in his most famous statement, you step into the same river twice. For change to happen, one thing would needto become something else, and there is nothing else. So we'd have heraclitus the change guy, and parmenides, the stability guy - nice and easy to remember.