permit his self-love to demand a satisfaction which cannot be honorably attained, and he is likely to grasp any dishonorable means to that end which may be safely employed. In other words, Macbeth has much of natural good in him unimpaired. Environment has devised his nature to make him upright in all his dealings with those about him. But moral goodness in him is undeveloped and indeed still fundamental, for his voluntary acts are scarcely brought into harmony with ultimate end.
             As he returns from victorious battle, puffed up with self-love which demands ever-increasing recognition of his greatness, the demonic forces of evil-symbolized by the Weird Sisters-suggest to his weird imagination the splendid prospect of attaining now the greatest changeable good he has ever desired. These demons in the disguise of witches cannot read his inmost thoughts, but from observation of facial expression and other bodily manifestations they guess with comparative accuracy what passions drive him and what dark desires wait their fostering. Realizing that he wishes the kingdom, they prophesize that he shall be king. They cannot thus compel his will to evil; but they do arouse his passions and stir up a burning and undue apprehension of the imagination, which so perv
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