Macbeth is definitely the guiltiest person in that whole ordeal.
Macbeth is the guiltiest of his own destruction a ...
Later on, Macbeth has received the news that his wife has died but Macbeth has not shown any grief towards his wife's death.
Macbeth reacts strangely by saying, "She should have died hereafter; there would have been a time for such a word."(5, 5, 17-18), and he has decided to add a philosophical speech in the end, "The way to dust death. It is a tale told by an idiot, full of sound and fury, signifying nothing." (5, 5, 23-28).
In other words, Macbeth is saying that everyone will die one day that life is as short as a candle.
He realizes that everything he has done so far has been meaningless and what he achieved will disappear at the moment his life comes to an end.
In the beginning of the play, Macbeth is referred to as ‘noble’, ‘brave’ and ‘worthy gentleman’, but after his first deed, he has been called a ‘tyrant’. He has given up his dignity and has paid murderers to kill his own friend, Banquo, and an innocent family, Macduff’s family just to feel safer and more confident.
His love relationship has changed as well, he has loved his wife so much that he always share every thought he has had, but after the crimes, Macbeth has been keeping things from his wife, such as Macduff’s family and Banquo’s assassinations.
They definitely helped Macbeth along his evil path. She urges him to kill King Duncan so that he can be King. Early on he is known as Thane of Glamis, but later becomes Thane of Cawdor after the original Thane of Cawdor is killed for treason.
She later loses her nerve and starts sleepwalking because of the stress of killing Duncan. Macbeth is an extremely ambitious and power hungry man, and is always looking for a newer better title.