"Thou canst not say I did it. Never shake thy gory locks at me." - Lady Macbeth to Duncan's ghost
Darkness - evil: The play is saturated with references to darkness, night, midnight, and black, which symbolize the evil that engulfs Scotland.
"I have no spur To prick the sides of my intent, but only Vaulting ambition" - Macbeth
The dagger symbolizes Macbeth's guilty conscience and descent into madness.
Macbeth's downfall is also influenced by his inability to control his own ambition and his willingness to do whatever it takes to achieve power.
Lady Macbeth's manipulation and encouragement contribute to Macbeth's downfall, as she pushes him to commit murder and fuels his paranoia.
The theme of appearance versus reality is prominent in Macbeth, as characters often hide their true intentions behind a facade.
"I have given my two hands to pluck out a heart" - Lady Macbeth
"I have given my two hands to pluck out a heart" - Lady Macbeth
"Come, thick night, and pall thee in the dunnest smoke of hell." - Lady Macbeth
"Look like th' innocent flower but be the serpent under 't." - Lady Macbeth
"I have given my two eyes to the blackest devil" - Banquo
"The raven himself is hoarse that croaks out this tale, The night-shrouded sands are shrieking loud to hear" - Macduff
"O full of scorpions is my mind dear wife!" - Macbeth
Blood - guilt: Blood is used as a metaphor for guilt throughout the play, particularly by Lady Macbeth who sees blood on her hands even when there isn't any.