Power can not only bring ambitious people honors, but also make them lose everything. In the play, Macbeth, written by William Shakespeare, it demonstrates that the immoral power influences the life of Macbeth dramatically. Macbeth’s abuse of power destroys his relationship with his cousin, friend, and wife, which shows that Macbeth’s wild ambition causes him to be isolated. Macbeth’s abuse of power destroys his relationship with his cousin, Duncan. It is because that Macbeth desires Duncan’s throne. Macbeth defeats the enemy bravely for the country at the beginning. People praise his courage and devotion. Even the king of Scotland, Duncan, admires his contribution, and greets him the thane of Cawdor. However, Macbeth’s ambition is aroused by the witches’ prophecy, which is that he will be the future king. Macbeth is struggling and entangled with the advantage and disadvantage of killing Duncan. Macbeth appears hallucination under the temptation of power: “Mine eyes are made the fools o’th’ other senses, / Or else worth all the reset I see thee still, / And on thy blade and dudgeon gouts of blood, / Which was not before. There’s no such thing. / It is the bloody business which informs / Thus to my eyes” (2.2.45-50). Macbeth is not satisfied with the thane of Cawdor. He ignores the kinship with Duncan, and desires the most powerful position, which is Duncan’s throne. His ambition is manipulated by his loyalty, which he is difficult to make a decision. Macbeth knows the