“dash’d the brains out”

• she uses shocking and violent imagery to demonstrate her absolute commitment to ambition.
• brutality of the phrase emphasises her rejection of maternal instinct and traditional femininity.
• linking directly to her earlier plea to be “unsexed.”
• presents this line to expose the extremes she is willing to go to in order to seize power, reinforcing her ambition and the corrupting influence it has on morality.
• Her willingness to commit such a horrifying act also serves to manipulate Macbeth emotionally.
• challenging Macbeths masculinity and shaming him into following through with their plan to murder Duncan. 
• vividness of the image makes it deeply unsettling, showcasing how Lady Macbeth is trying to replace empathy with ruthless determination.
• captures the collapse of natural order, as Lady Macbeth positions ambition above love, morality, and even motherhood.
• intensifying the play’s exploration of gender, violence, and moral decay.
• Act 1, Scene 7