"All for one, one for all" is a famous rallying cry from Alexandre Dumas' novel "The Three Musketeers." This phrase embodies the spirit of camaraderie and loyalty that defines the bond among the three main characters: Athos, Porthos, and Aramis. They embody the ideals of friendship and mutual support, showcasing the importance of standing together in the face of adversity.

The story follows the young d'Artagnan as he seeks to join the Musketeers and quickly becomes embroiled in their adventures. The phrase captures the essence of their adventures, emphasizing that success comes from their unity and shared purpose. The musketeers demonstrate that through collaboration and collective strength, they can overcome challenges and fight for justice.