Montresor takes revenge seriously and reveals his personal thoughts about revenge at the beginning of the story by saying,
"I must not only punish but punish with impunity. A wrong is unredressed when retribution overtakes its redresser. It is equally unredressed when the avenger fails to make himself felt as such to him who has done the wrong." (Poe, 1)
Montresor is essentially saying that it is imperative that he avoid being punished for taking revenge and that the person he is avenging understands that he is responsible for punishing them. Montresor's precise thoughts and specific rules for revenge emphasize that he takes the concept of revenge very seriously.
Later on, Montresor reveals his family's motto, "Nemo me impune lacessit," which means "no one attacks me with impunity." The fact that Montresor's coat of arms and family motto are associated with revenge further emphasizes his conviction to take revenge whenever...
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