Evidence I have no spur / To prick the sides of my intent, but only / Vaulting ambition, which o'erleaps itself And falls on th'other -- / [Enter Lady Macbeth ... to keep power for himself ...

What does the scene tell us about her part in the play? As a woman, Lady Macbeth never had the power to control things independently. The sleepwalking scene is intimate. While Macbeth's conscience ...