Superstition is the belief in the existence or power of the supernatural. The supernatural is a manifesting phenomena, which is not explicable by natural or physical laws. 'Macbeth' contains many supernatural occurrences throughout the play which would have signified many things to the audience at that period in time. For example, the play opens with the three Witches; this would let the audience immediately know that evil was present. Elizabethans, with low levels of technology, developed their own beliefs. It was impossible for the people to have come up with reasonable explanations of what was going on; instead they...
harm Macbeth"

When Macduff arrives with his army, Macbeth shows no fear because he thinks he cannot be killed. Little does Macbeth know that Macduff was born by a caesarean operation, which technically means that Macduff was not 'born of woman', a fact the witches failed to mention. This is Macbeth's major downfall, through naivety and ignorance, he has summoned his own death. Macbeth is finally killed by Macduff after a long gruelling battle, by his head being cut off. This symbolises the end of the evil reign and the end of the accompanying madness and chaos.