More needs she the divine than the physician.— / God, God, forgive us all!
Act V, Scene 1
Context
After witnessing Lady Macbeth's sleepwalking confession, the Doctor concludes she needs spiritual rather than medical help and asks for divine forgiveness.
Analysis
The Doctor's shift from third person ('she') to first person plural ('us all') in his plea to God implicates everyone present, and perhaps the audience, in collective guilt. The anaphoric repetition of 'God, God' conveys desperation—a single invocation feels insufficient for what he has witnessed. His movement from diagnosis to prayer marks the boundary of medicine's power and his own fear.
Essay Tip
Use this to argue that Shakespeare positions certain kinds of guilt as beyond human remedy—the Doctor's pivot from professional to penitent suggests that witnessing evil's consequences makes bystanders complicit, expanding the play's moral contamination beyond the murderers themselves.