The dialogue written by Shakespeare shows how bad revenge is for our interior. In this dialogue, the author wants the reader to understand that it is not worth holding a grudge against a certain situation, let alone trying to get even. That's because revenge hurts, is defeatist and can cause even more racism.
In summary, The theme of the dialogue written by Shakespeare is "Revenge is ultimately self-defeating". This is even more evident in the speech: "I am justly kill'd with mine own treachery."
