How Stevenson explores duality, good and evil, and the divided self across the text, and why it matters to the text's meaning.
Where it appears, the key quotations that show it, and different ways it can be interpreted.
Evidence from the beginning, middle and end of the text.
How to use the lesson's key quotations in an essay, with a short worked paragraph.
Key quotations: 'man is not truly one, but truly two', 'the thorough and primitive duality of man', 'a profound duplicity of life', 'pure evil', 'I was slowly losing hold of my original and better self'.
Doubles in setting as well as character: Jekyll's respectable front and the neglected laboratory door behind it.
