In Victor Hugo's novel "The Man Who Laughs," the narrative emphasizes the importance of not losing oneself in the lives of others. This can be seen as a caution against becoming overly involved in another person's struggles or misfortunes. The story unfolds in a world where individuals are often judged based on appearances and circumstances, showcasing the complexity of human emotion and experience.

The quote suggests that, amidst the challenges presented in relationships and society, maintaining one’s own identity and perspective is crucial. It serves as a reminder that while empathy is important, one should also guard against losing their own essence in the process of connecting with others.