An obsession with guilt

In the ensuing bloodbath,Shakespeare provides viewers with someof the most memorable passagesin English literature.Out, damned spot! Out, I say!Lady Macbeth cries when she believesshe can't wipe her victim's blood off her hands.Her obsession with guilt is oneof many themes that runs through the play,along with the universal tendencyto abuse power,the endless cycles of violence and betrayal,the defying political conflict.