Insanity is defined as an inability to think clearly and consider what is morally right. Hamlet's state of mind is hard to understand; his life is currently quite awful. His girlfriend dumped him and just committed suicide; his dad was killed and his mom hasn't grieved (according to Hamlet) and is now married to his uncle. Hamlet's sanity is based on the foundation that he is able to plan out his actions to achieve his vengeance on Claudius.

In Hamlet insanity is viewed as an unclear preconception of actions. This is why I believe that Hamlet is sane. He is able to, through the whole book, slowly build up his credibility of being insane. He uses trickery and manipulates friends and onlookers to persuade them he is insane. This whole plot was based around his desire to avenge his father's death and his mother's acts of incest. He...