Within the play, ideas of revenge prove to be resonant from beginning to end. The first instance of revenge occurs in Act 1 scene 5, when the spirit of Hamlets late father; Old King Hamlet, appears to him. The ghost reveals that he had been murdered by his own brother, Claudius. The ghost demands that Hamlet “Revenge his foul and most unnatural murder”. In response to the ghosts commands, Hamlet is motivated by the duty to avenge his fathers death. Hamlet proceeds to transform into a character whose actions lead others to believe he is insane, while his thoughts remain rational as he devises a plan to carry out his revenge. Despite Hamlets dramatic personality change, the audience can see that he remains committed and devoted to his duty. For example in act 2 scene 2 the quotation; “…the play 's the thing
Wherein I'll catch the conscience of the king” shows that Hamlet’s plan has been well thought out. Hence, Hamlet plans to resolve the conflict created by murder with revenge.
The notions of religion and morality are explored throughout the storyline and are an integral part in the decision-making processes of the characters, in particular, the protagonist of the play, Hamlet. The impact of religion in Hamlet’s life is inferred early in the play (act 1,