Is There an Identity Between Identity and Difference?

In heraclitus formulation, the fact that the river is ceaselessly in a state of relentless, never ending change negates the idea that it could have any abiding substance or orself. Is that a fair way to think about et or mi? Wat wa wat am e. I say, ah. And this is the challenge, reallylike grasping the hegalian dialectic, but it's also the challenge grasping, for example, lik nowsa dong thought,.