"Who lives today can fight tomorrow" is a powerful quote that encapsulates the resilience of the human spirit. It highlights the idea that existence brings with it the opportunity for struggle and progress. Each day is a chance to confront challenges and strive for a better future, reminding us that survival is intertwined with the pursuit of our goals and aspirations.

In Arturo Pérez-Reverte's work, "Jodía Pavia," the narrative likely explores the themes of courage, perseverance, and the continuous fight for survival in the face of adversity. The quote serves as an inspiration for individuals to embrace life’s uncertainties, suggesting that as long as one is alive, there is always hope for change and a better tomorrow.