In "The Blind Assassin" by Margaret Atwood, the narrative explores the chaotic and often tumultuous nature of the mind when it is unbalanced. The quote reflects the vulnerability and disarray that accompany being unhinged, suggesting that emotional turmoil can disrupt one's ability to control thoughts and feelings. This loss of control allows unwanted ideas and feelings to surface, while also pushing aside the protective barriers intended to keep certain thoughts at bay.

Atwood's work delves deep into the human psyche, emphasizing the fragility of mental states. The imagery of locks, guards, and passwords illustrates how easily one can lose the defense mechanisms that usually protect personal thoughts and emotions. Ultimately, it underscores a profound struggle with internal chaos, highlighting the complexities of mental health and the consequences of losing grip on one's inner sanctum.