'One never steps in the same river twice' [Illustrated] 

Before Aristotle, before Plato, and before Socrates came the Presocratics. Typically characterised by their engagement with ontology, these thinkers pondered the form of the world around them, and the vicissitudes of reality. One of these thinkers was Heraclitus, famed for his assertion that: ‘On those stepping into rivers staying the same, other and other waters flow.’ But what does it mean?
Here are the links to the texts used in the video:
Cratylus (Plato)
www.amazon.co.uk/Cratylus-Hac...
Tess of the d'Urbervilles (Hardy)
www.amazon.co.uk/dUrbervilles...
Writings of Theophrastus
www.amazon.co.uk/Theophrastus...
Fragments (Heraclitus)
www.amazon.co.uk/Fragments-Pe...
Miles