Upon committing his first murder, Macbeth's nervous imaginings expose his feelings of guilt while his immoral and greedy urges remain dormant. As he gains confidence and plots for his second murder, these avaricious daydreams mitigate any remorse Macbeth had experienced before. Macbeth's proleptic imagination allows him to see the benefits and consequences of the immoral acts he is committing, however as his greedy urges begin to dominate his guilty thoughts; his insanity becomes increasingly evident.
             Soon after his first murder, Macbeth displays signs of guilt for the immoral act he had committed as his imagination dwells on all the negative repercussions that await him. Macbeth prophesizes, "Glamis hath murdered sleep, and therefore Cawdor/Shall sleep no more; Macbeth shall sleep no more" (II.ii.44-45). Sleep represents the innocent Duncan and morality. Macbeth blames himself as the thane of Glamis for executing the innocent king and tainting any honor he might possesses in the future as the thane of Cawdor. Macbeth's preoccupation with his sleepless future, demonstrates his guilt ridden conscious after having murdered Duncan in cold blood.
             He asks "Will all great Neptune's ocean wash this blood/ Clean from my hand? No, this my hand will rather/The multitudinous seas incarnadine/ Making the green one red" (II.ii.60-63). Blood not only symbolizes the literal liquid that stains his hands, but also the sinful and immoral murder. All of the endless oceans in the world could not clean his tainted soul. Macbeth feels his murder has polluted the purity of all of society, just as the blood has "incarnadined" the oceans. Macbeth's preoccupation with the future consequences of his acts focuses on the guilt of his stained soul for the last time in this scene. His greedy urges begin to arise as the new King gains power, and his insanity becomes more obvious as Macbeth's imagi...