The central premise of the novella is that every human being possesses both good and evil.
: While Jekyll initially feels "liberated" as Hyde, he eventually loses control over the transformations, which begin to occur involuntarily. 21277x
: Society's demand for outward perfection forced individuals to hide their "darker" instincts. Stevenson suggests that this repression only gives those instincts more power. The central premise of the novella is that
: Embodies repressed desires, violence, and pure selfishness. and pure selfishness.