Stevenson uses the characters of Dr Jekyll and Mr Hyde to expresses his beliefs about human duality by introducing them as two contrasting characters, instead of just one character. Using two completely different characters with different names and appearances gets his message of human duality across more effectively rather than using just one character that turns a different colour when its angry, for example.
We meet Mr Hyde, “a pale, dwarfish man” “of no particular age”, and we meet Dr Jekyll, a “large, well-made man of fifty” with a “large handsome face”. The way Stevenson describes them as opposites makes us think that they are infact two people, but as Stevenson builds up the clues throughout the book we realise that they are really the same person.
Stevenson uses Jekyll and Hyde to show the duality of human nature because by reading about the two characters separately, you would’ve never realised that they are the same person until Stevenson describes how Jekyll make a potion to separate good and evil, but as he drinks the potion it awakens a hidden character inside him, Hyde. Jekyll enjoys having a ‘secret life’ of being Hyde because he feels a sense of freedom because he can walk around Soho and other dark places where he can fulfil his desires without his reputation as a respectable doctor being put at risk. Stevenson is trying to tell us that everybody has evil inside of them and has a curiosity about their darker side.
Jekyll seems to be in control of his desires and temptations but as Hyde he can fulfil them and not feel guilty. Stevenson is stating that everybody has evil inside of the,...