UES of darkness imagery in macbeth

"Darkness permeates the play" (Knight). Macbeth is filled with darkness. Although there are many other ways to describe this play one way to describe it is that it is full of darkness, deceit, treacherous characters and twisted plots, which the imagery f darkness shows.
Macbeth believes that Malcolm will be in his way in the plot of the witches' prophecy coming true. The prophecy is that he will become king, and he is trying to make it true by planning to kill Duncan. Macbeth says, "Let not light see my black and deep desires" (I, iv, 51). He does not want anyone to see his displeasure in Malcolm's...