I. Introduction

A. Background information on William Shakespeare and Hamlet
B. Thesis statement: By exploring the themes of revenge, madness, and morality, Shakespeare's Hamlet delves into the complexities of human nature and the consequences of one's actions.

II. Revenge
A. Description of the theme of revenge in Hamlet
B. Analysis of Hamlet's desire for revenge against Claudius for killing his father
C. Exploration of the consequences of seeking revenge

III. Madness
A. Explanation of the theme of madness in Hamlet
B. Discussion of Hamlet's feigned madness and its impact on the other characters
C. Examination of Ophelia's descent into madness and its significance to the play

IV. Morality
A. Exploration of the theme of morality in Hamlet
B. Analysis of how characters such as Hamlet, Claudius, and Gertrude grapple with moral dilemmas
C. Consideration of the consequences of immoral actions in the play

V. Conclusion
A. Restate thesis statement
B. Recap main points discussed in the essay
C. Reflection on the lasting relevance of Hamlet's exploration of revenge, madness, and morality to contemporary society.

Overall, William Shakespeare's Hamlet delves into the complexities of human nature through its exploration of the themes of revenge, madness, and morality. The play showcases the consequences of seeking revenge, the impact of madness on individuals and society, and the moral dilemmas faced by its characters. These themes continue to have relevance in contemporary society, as they reflect universal truths about human behavior and the consequences of our actions. Shakespeare's timeless exploration of these themes in Hamlet serves as a powerful reminder of the complexities of human nature and the enduring impact of our choices.