In this novel, Stevenson perhaps…

Suggests that inner evil is within us all

Explores our capacity for violence and evil

Highlights Victorian fears linked to Darwin’s theory of evolution, which suggests that humans could be innately animalistic or beastlike

Highlights the fear within Victorian upper classes of degeneration

Explores the duality of human nature - the idea that we are both good and evil - and the moral conflict between these two sides

Reflects on the darkness and criminality lurking under the façade if Victorian respectability

Criticises the tendency for secrecy and repression within the Victorian middle and upper classes

Highlights the desire in Victorian Gentlemen to protect reputation above all else

Provides a possible warning against transgressive science