The quote reflects on the nature of preparation in life, particularly through the lens of reading and studying. It suggests that while gaining knowledge from books is valuable, it is not the entirety of life's experiences. Just as an athlete focuses on training and preparation for performance, one must also engage in real-life experiences to fully understand and navigate the world.

Epictetus emphasizes the importance of putting theoretical knowledge into practice. Just as an athlete cannot solely rely on past exercises, individuals must actively participate in life's realities beyond their studies. This perspective encourages a balance between learning and practical application, highlighting that true growth comes from experiencing life firsthand.