There really are no restrictions. The world is as bright and open as you can possibly Imagine. We are extraordinary, rare, complex, intricate. And the mind can always evolve, reach new heights, plateaus, barriers, limits. The ability to spontaneously and impulsively paint a mental form, and then to whirl that, play with that, put in pixel by bit, frame by dimension, we eventually come to conceptualize of a novel idea, a brilliant precursor.