"Somehow, I had the feeling that I was responsible for Harry being dead. I remembered all the times that I wished he were dead, all the times I had dreamed of killing him. I got to thinking that maybe my wishing had finally killed him"

The quote credited to Arnold Rothstein records an effective and complex psychological experience, showing regret, remorse, and the perplexity of the human mind's interplay in between idea and reality. Interpretatively, the storyteller is challenging an ethical and psychological crisis following the death of someone called Harry. The narrative is soaked in an expedition of the esoteric ramifications of idea and the problem of regret.

At its core, this passage recommends an extreme internal dispute. The storyteller feels responsible for Harry's death, not due to the fact that of any physical act they've devoted, but because of their duplicated ideas and desires concerning his death. This introspection speaks with the universal worry of the potency of our darkest wishes and the stress and anxiety that they might somehow manifest into reality. The storyteller's admission of having "wished he were dead" and "imagined eliminating him" exposes a deep-seated displeasure or frustration towards Harry, which may have originated from past grievances or unresolved stress.

Furthermore, the statement "I got to believing that perhaps my wanting had finally killed him" raises questions about the power of objective and the psyche's battle to delineate between dream and action. This theme resonates with the principle of magical thinking-- the illogical belief that one's ideas on their own can bring about results in the world. The storyteller is caught in a cerebral loop, unable to disentangle the weight of their subconscious desires from the real occasions, signifying a mental self-punishment borne out of guilt and an absence of resolution.

This quote likewise functions as a poignant expedition of the human tendency to presume obligation for events beyond their control, as a coping system or a reflection of unsettled emotional battles. The narrator's crisis highlights the complexities of human regret, where remorse can overpower reasoning and factor, blurring the lines between idea, intent, and actuality.