In Sir Arthur Conan Doyle's "Sherlock Holmes: The Complete Novels and Stories, Volume I," the character Holmes reflects on the moral dichotomy between urban and rural life. He suggests that outward appearances can be deceptive, asserting that the serene beauty of the countryside can conceal just as much sin and vice as the grimy backstreets of London. This opinion emphasizes the idea that evil exists everywhere, regardless of setting, challenging the assumption that a beautiful environment is inherently virtuous.

Holmes's statement encourages readers to consider the complexities of human nature and societal behavior. It serves as a reminder that people may hide their darker inclinations behind the façade of picturesque landscapes. Through this perspective, the narrative invites contemplation on morality, suggesting that one should look beyond outward beauty to uncover the truth about human character and the realities of life in all its forms.