The quote highlights a character whose life revolves entirely around playing games, suggesting that his success in winning is a direct result of his singular focus and commitment. This portrayal implies that mastery comes from dedication to one specific pursuit, hinting that those who immerse themselves completely in a craft may achieve greatness in it.

In the context of Henry James's work, this idea can reflect broader themes of obsession and the consequences of a life devoted solely to one endeavor. It raises questions about balance and the value of diverse experiences, suggesting that while winning may be gratifying, a narrow focus might lead to an unfulfilled life outside the game.