In 'The Tell Tale Heart' by Edgar Allan Poe what does the story tell us about obsession and guilt and conscience?

In "The Tell-Tale Heart," Edgar Allan Poe explores how obsession can lead to madness and the inescapable nature of guilt and conscience. The narrator's fixation on the old man's eye drives him to commit murder, but instead of finding peace, he becomes consumed by guilt. This internal conflict manifests as auditory hallucinations, symbolizing how one's conscience cannot be easily silenced. Ultimately, the story illustrates that guilt can be a relentless force, revealing the fragility of the human mind when confronted with the consequences of one's actions.