“Outside and inside form a dialectic of division, the obvious geometry of which blinds us as soon as we bring it into play in metaphorical domains. It has the sharpness of the dialectics of yes and no, which decides everything. Unless one is careful, it is made into a basis of images that govern all thoughts of positive and negative.”
Reference: Bachelard,G: The Poetics of Space: Chapter 9: The Dialectics of Outside and InsideThe ambiguity of the space between inside and outside raises questions such as : At what point is a space rendered external? Is this space it’s own boundary or Space?