Discuss the sources of evil in "Macbeth", in detail.

Macbeth is a tragic play, evoking the gradual deterioration of the hero, from good to evil, inevitably resulting Macbeth to lose his political supremacy and die; a great catastrophic end. A source of evil present in the play is Macbeth himself, with boundless ambition to usurp the throne, yet it seems that these desires are left as a mere dream. However, two other external sources of evil - the Three Witches and Lady Macbeth - …

…the Bible [Genesis]. The Snake [Three Witches], provides with a prediction, when Eve [Lady Macbeth] lures Adam [Macbeth] to commit sin. This may suggest that every ambitious man has the potential to be evil, as it is stated in the bible; we are all "sinned for life". Therefore we may conclude that it was not the Witches or Lady Macbeth that led Macbeth to his downfall, but Macbeth himself is to be responsible and blamed.