(1.6.17-21). She looks and acts pure, but also hides her evil thoughts. This reveals exactly how manipulative and deceptive she can be. In addition, Duncan s comment to Lady Macbeth, Fair and noble hostess, we are your guest to-night. (1.6.28-29), clearly demonstrates that Duncan is very impressed with Lady Macbeth s loyal attitude towards him, so that he reposes absolute trust in her. He is mistaken, however, because the fair hostess turns out to be the wicked woman who kills her noble guest. Lady Macbeth has indeed succeeded in deceiving Duncan in order to commit a perfect murder.
Macbeth is as guilty of deception as his wife. Macbeth s concern about the witches prophecy that Banquo will be the father of a line of Kings makes him so upset that he persuades two murderers to kill Banquo and Banquo s son, Fleance. Macbeth says, It is concluded. Banquo, thy soul s flight, if it find heaven, must find it out tonight. (3.1.162-163). His superstitious mind and the fear of his valiant friend finally lead Macbeth to think that he can t keep his throne with Banquo alive, and he is