Destiny: How it played a role in this play

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  In the play "Macbeth", it seems the plot all goes around "Fate". However, in my opinion, the tragedy of Macbeth is not only caused by his “destiny” from the witches predictions, but also is Macbeth's own desire  which pushed him to this ending. In the beginning of the play, Macbeth believed in what witches had predicted and was interested in whether they were true or not, and once he figured out that they seemed to be truth, his ambitions came forth. He eventually killed Duncan and became the king of Scotland and killed Banquo as well; which was based on the fear of being replaced from his spot. Furthermore, his power-hunger was not satisfied that easily. He went forward and asked witches to tell him more about future, then he ordered the killer immediately to kill Macduff- the one who the witches told him to be aware of. After those bloody killings, human nature punished him and he finally became crazy and killed himself. If his ambitions had not lost control, the tragedy might not have  happened.