When Gertrude questions him about his depressed appearance and behavior, Hamlet responds, “It seems, madam? No, it is. I don’t know “seems” (1037, line 76). "what it seems to be". Later, he makes a clear statement about his sanity when he vows to avenge his father's murder. This quote allows the reader to follow Hamlet's train of thought regarding his role. student, grieving son and prince of the throne: "I will erase all the trivial and affectionate documents, all the saws of the books, all the forms, all the past pressures that youth and observation have copied there, and your command all alone will live in the book. and the volume of my brain” (1054, line 100). Hamlet declares his commitment to nothing less than revenge for his father's death. There is little doubt about his state of mind at this point in the play. He can only talk about all these plans for himself, he gets stuck in his head and therefore begins to discuss these ideals with.