Symbolism in Fahrenheit 451 Light, especially fire, and darkness are significantly reoccurring themes in Fahrenheit 451. Guy Montag, the main character, is a fireman, but in this futuristic world the job description of a fireman is to start fires wherever books are found; instead of putting them out. Montag takes a journey from a literary darkness to a knowledgeable light. This journey can be compared to the short story Allegory of the Cave by Plato, in which a prisoner experiences a similar journey. An example of light, in reference to knowledge, occurs just after Montag meets Clarisse for the first time. "When they re