When Macbeth’s conscience clashes with his ambition, it becomes major reason for his downfall. Macbeth was formerly a good man at the beginning of the play, he was a man with moralities and a good conscience, shown by his uncertain thoughts of murdering Duncan in cold blood. “I have no spur/To prick the sides of my intent” (I, vii, 25-26), shows that he could not spun himself to action without “Vaulting ambition” (I, vii, 27), and that is how it should be in the first place, but he was so easily deceived by his Lady Macbeth to overlook his conscience. While Lady Macbeth is the symbol of ambition, Banquo is the symbol of morality, he knew about the witches intent to “win us harm” (I, v, 132), and even warned Macbeth about it before Duncan’s
