The novel is also the fullest articulation of the important Gothic theme of the double: the contrast between good and evil in people or places. Stevenson anticipates the ideas of Sigmund Freud ...

(Act 4 Scene 1) Analysis The Witches meet around one of the most well-known symbols of witchcraft - a cauldron. Into this they throw all manner of foul and evil objects ('poisoned entrails') and ...