Substance and Accident Are Pair Like Male and Female, Up and Down, Positive and Negative

In the primordial mists of pre-metaphysical thinking, we are dimly aware of stuff. Some of that stuff out there is subsisting and some of it isn't. And wouldn't that just be moving in a circle? The answer is that yes, in a way, it is moving in acircle, but that's okay. Instead, I'm presenting them to you together as a pair. We arrive at both by making a distinction.