In "The Sword of Summer" by Rick Riordan, the narrative emphasizes the power of individual choices, suggesting that while we may not have control over larger circumstances, our decisions can significantly impact our immediate environments. This reflects a central theme of autonomy and resistance against fate, showcasing how personal actions can create meaningful change, even if they seem minor in the grand scheme of things.

The quote, "even if we can't change the big picture, our choices can alter the details," encapsulates this idea of rebellion against destiny. It encourages readers to recognize the importance of their choices and how they contribute to shaping their lives. Ultimately, the story inspires a sense of empowerment, reminding us that we can assert our influence, regardless of overarching challenges.