The disease had sharpened my senses—not destroyed—not dulled them. Above all was the sense of hearing acute. I heard all things in the heaven and in the earth. I heard many things in hell.

The narrator insists that the disease has sharpened rather than dulled his hearing, then claims he can hear everything in heaven, on earth, and in hell. These exaggerated claims make him seem mentally unstable, emphasizing his mental illness. The passage is not mainly expressing anger or spirituality.

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