Shakespeare uses many motifs to expand on the themes of the story. His most-used motif revolves around filial responsibility. Each of the two plots contains characters who betray their fathers. Goneril and Regan flatter their father, King Lear, and then betray him. The drastic change that occurred in their attidtude towards their father is clearly evident through Goneril's speech before: "Sir, I love you more than words can wield the matter; Dearer than eye-sight, space, and liberty; Beyond what can be valued, rich or rare; No less than life, ....