40+ Lady Macbeth Quotes About Power. Start studying lady macbeth character quotes. The murder of duncan was plotted by both macbeth and his wife lady macbeth as they both hold a thirst for power. Macbeth is required to take control to. The relationship is unstable because of their lack of trust and macbeth's power over lady macbeth. From the very start of the play, we see that macbeth's ambition is goaded by his relationships with the witches and lady macbeth. And to be more than what you were, you would be . Explore our collection of motivational and famous quotes by authors you know and love. —lady macbeth heaps scorn on macbeth's declaration that they will proceed no further with the plan to murder king duncan. Lady macbeth says to macbeth "thou wouldst be great/ art not . How does lady macbeth manipulate macbeth quotes?