s eldest son Malcolm is to succeed the thrown, Macbeth is deeply unsettled and he decides that to become King he has to take matters into his own hands. (1.4.49-51)
             On which I must fall down, or else o'erleap,
             For in my way it lies. Stars, hide your fires!
             Let not light see my black and deep desires.
             At this point Macbeth is aside and is acting out a soliloquy in which we are able to hear his thoughts without the other characters, off stage, hearing.
             This is when we start to see a more sinister side of Macbeth that had not been revealed to us until then.
             Lady Macbeth has doubts that Macbeth will carry out Duncan's murder because he is too "good". She, who knows him best, tells us (1.5.19-23) that he is the one who:
             And yet wouldst wrongly win; thou 'dst have, great Glamis,
             That which cries, "Thus thou must do, if thou have it";
             And that which rather thou dost fear to do
             Macbeth fears to do evil; but what he fears is the image of himself committing the evil deed, rather than the evil deed itself. Macbeth and his wife seem to be so caught up in desires and ambition that they now forget about the power of good and loyalty. Although that it seems that in this stage of the play Macbeth is overcome with the power of evil I believe that the witches powers influenced his actions but didn't control them. There are limitations to the witches' powers (1.3.24)
             The other and far more important demonstration of the witches' evil as potential opposed to actual evil appears in the contrast between Macbeth and Banquo. "Our captains, Macbeth and Banqou" are coupled in the King's opinion as equals and there is no suggestion from him that one is superior in rank to the other but there is a contrast to their reactions to the witches' prophecies. (1.3.122-125)
             oftentimes, to win us to our harm,
             The instruments of darkness tell us truths;
             Win us with hones...