...we do not get our perceptions from the "things" around us. Our perceptions come from us. This does not mean that there is nothing outside of our skins. It does mean that whatever is "out there" can never be known except as it is filtered through a human nervous system. We can never get outside of our own skins. "Reality" is a perception, located somewhere behind the eyes.- Postman, 1969
This sums up so much of what I've been thinking about. And leads to so much more...