In "The Count of Monte Cristo," Alexandre Dumas explores the transformative power of happiness. The statement "Happiness even makes the wicked good" suggests that positive emotions can lead individuals, even those with malicious intentions, to act more kindly or benevolently. This highlights the idea that happiness can have a profound impact on behavior, encouraging even the most hardened characters to seek redemption or goodness.

Dumas delves into the complexities of human nature, illustrating how joy can alter perceptions and actions. The narrative shows that when people experience happiness, it can soften their hearts, allowing for moments of compassion and understanding, which might otherwise be absent in their darker times. Ultimately, this theme underscores the universal significance of happiness in fostering positive change within individuals.