In Shakespeare's play "Macbeth", analyze the characters of Macbeth and Lady Macbeth from when Lady Macbeth recieves her husband's letter, until the murder of Duncan.

Critics have often referred to the character of Macbeth in the play Macbeth, by William Shakespeare, as a "tragic hero" and "a man who is, except for his ambition, noble in nature." This noble nature is brought out in his moral sense of duties and loyalty to the king. The audience/reader learns of his "brave" and "valiant" position as a soldier, particularly valuable on the battlefield from the beginning, and his nobility enables him …

…that harbours sympathy for evilness unlike any other, in a way, almost justifying it. This is also very effective of the part of Shakespeare, because it makes the plot more complex, interesting and mind-boggling than any other traditional play or story where it is the main characters representing "good" and fighting the "evil". In this theatrical piece, it is the main characters that are the ones fighting and coping with the inner evil within themselves.