The term ‘inside’ occupies a structurally pivotal position across the depth-psychology corpus, functioning simultaneously as spatial metaphor, ontological category, and site of psychological work. Its treatment ranges from the rigorously dialectical to the phenomenologically immediate. Giegerich offers the most philosophically exacting account: consciousness is an ‘outside that is inside,’ exploding any naïve binary, so that the literal notion of an inside collapses under dialectical pressure. Thompson, drawing on autopoietic theory, grounds the inside/outside distinction biologically: the self-generation of an inside is ontologically prior to the dichotomy itself, establishing asymmetry rather than symmetry between self and world. Levine approaches the inside somatically — the traumatized person must consciously direct attention inward, navigating body sensations as a site of healing. Hillman, in a mythic register, inverts the spatial imagination entirely: inside the dark ark, interiority becomes enclosure and incubation. Padel’s classical scholarship recovers the Greek tragic sense of the inside as a permeable, invaded space — one through which Erinyes move freely, blurring the boundary between inner disturbance and outer attack. Throughout the corpus, ‘inside’ is never simply a container; it is a relational, dynamic, and often paradoxical structure through which psyche, body, consciousness, and world interpenetrate and define one another.