Macbeth's actions and decisions change his role as a good and respected leader into a power seeking and careless King. ... When Macbeth states, "Stars hide your fires: Let not light see my black and deep desires" (1.5.50-51), it signifies that Macbeth is about to do his evil deed and wants to hide it as he must to do it so he shall become king. ... Let the earth hide/ thee! ...
After discussing his plot to kill King Duncan with Lady Macbeth, he says, "Away and mock the time with fairest show/ False face must hide what the heart lies about doth know." ... When Macbeth attempts to convince Banquo to support him and turn against Duncan, though Macbeth does not even get the chance to ask, Banquo replies, "So I lose none/ In seeking to augment it, but still keep/ My bosom franchised and allegiance clear/ I shall be counseled." ...