Hamlet: A Sane Man Hamlet was indeed a very sane man. He was only feigning madness to further his own plans for revenge. His words were so cleverly constructed that others will perceive him as mad. It is this consistent cleverness that is the ultimate evidence of his complete sanity. Can a mad person be so clever? No, a mad person cannot. Hamlet is sane and brilliant. After Hamlet, Horatio, and Marcellus see the ghost, Hamlet tells Horatio that he is going to "feign madness". If Horatio is to notice Hamlet acting strange it is because he is putting on an act. "How strange or odd some'er I bear myself/(As I perchance hereafter shall think meet/To put an antic d