Themes are the fundamental and often universal ideas explored in a literary work.
The Duality of Human Nature
Dr. Jekyll and Mr. Hyde centers upon a conception of humanity as dual in nature, although the theme does not emerge fully until the last chapter, when the complete story of the Jekyll-Hyde relationship is revealed. Therefore, we confront the theory of a dual human nature explicitly only after having witnessed all of the events of the novel, including Hyde’s crimes and his ultimate eclipsing of Jekyll. The text not only posits the duality of human nature as its central theme but forces us to ponder the properties of this duality and to consider each of the novel’s episodes as we weigh various theories.
Jekyll asserts that “man is not truly one, but truly two,” and he imagines the human soul as the battleground for an “angel” and a “fiend,” each struggling for mastery. But his potion, which he hoped would separate and purify each element, succeeds only in bringing the dark side into being—Hyde emerges, but he has no angelic counterpart. Once unleashed, Hyde slowly takes over, until Jekyll ceases to exist. If man is half angel and half fiend, one wonders what happens to the “angel” at the end of the novel.
Perhaps the angel gives way permanently to Jekyll’s devil. Or perhaps Jekyll is simply mistaken: man is not “truly two” but is first and foremost the primitive creature embodied in Hyde, brought under tentative control by civilization, law, and conscience. According to this theory, the potion simply strips away the civilized veneer, exposing man’s essential nature. Certainly, the novel goes out of its way to paint Hyde as animalistic—he is hairy and ugly; he conducts himself according to instinct rather than reason; Utterson describes him as a “troglodyte,” or primitive creature.
Yet if Hyde were just an animal, we would not expect him to take such delight in crime. Indeed, he seems to commit violent acts against innocents for no reason except the joy of it—something that no animal would do. He appears deliberately and happily immoral rather than amoral; he knows the moral law and basks in his breach of it. For an animalistic creature, furthermore, Hyde seems oddly at home in the urban landscape. All of these observations imply that perhaps civilization, too, has its dark side.
Ultimately, while Stevenson clearly asserts human nature as possessing two aspects, he leaves open the question of what these aspects constitute. Perhaps they consist of evil and virtue; perhaps they represent one’s inner animal and the veneer that civilization has imposed. Stevenson enhances the richness of the novel by leaving us to look within ourselves to find the answers.
The Importance of Reputation
For the characters in Dr. Jekyll and Mr. Hyde, preserving one’s reputation emerges as all important. The prevalence of this value system is evident in the way that upright men such as Utterson and Enfield avoid gossip at all costs; they see gossip as a great destroyer of reputation. Similarly, when Utterson suspects Jekyll first of being blackmailed and then of sheltering Hyde from the police, he does not make his suspicions known; part of being Jekyll’s good friend is a willingness to keep his secrets and not ruin his respectability. The importance of reputation in the novel also reflects the importance of appearances, facades, and surfaces, which often hide a sordid underside. In many instances in the novel, Utterson, true to his Victorian society, adamantly wishes not only to preserve Jekyll’s reputation but also to preserve the appearance of order and decorum, even as he senses a vile truth lurking underneath.
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