"man is not truly one but truly two

• point

  jekyll summaries central theme of duaillity revealing his belief that evey human has two sides one good one evil
• evidence

  repetition of "truly" emphasises sincerity and depth of jekylls realisation reinforcing that duality is. human nature

  the balanced structure of tje line mimics the division he perceives with himself
• alternative interpretation

  jekyll is trying to rationalise or excuse his actions by claiming all humans are divided
• stevenson intentions

  critiquing the victorian obsession with respectability and challenges this human nature, also reflect growing influences of Friedan phycology which was emerging at the time
• audience

  recognise their own duality