Bodily consciousness is depthless because in it there can be no spatial cues; the various modalities generated by the different ways that one felt content can relate to another, or run off in time, are themselves inner feelings of the same kind as the contents they govern. Feelings which join together simply form molecular feelings without calling forth a need for a space as the domain for their various plays of succession and recurrence. There is however another kind of inwardness that does demand spatiality, and this is of the kind in which the point of observation, normally latent and seeming absolutely constant, undergoes alteration. It may either be experienced as rapidly receding far back from where it was, being loosed from its anchor in the bodily sense of the head or of a tiny chamber just behind the eyes, and now - still a point, but free - rediscovering its native element in a vaster, darker, more living space behind the world, or else its punctilious character is shed and the centre of consciousness, the fundamental self-knowing seems of itself to be spatial. There is a realisation here that the ordinary experience of external space as much as its counterpart the experience of spaceless bodily feelings are stabilised by the notion of a pinhole view, of the witness assimilated to this aperture as if it were not merely the point of a passage from one mysterious mode of experience to another. The external idea of space and even its abstractions in mathematics are seem to only exist as metaphors or reductions of this living space.