The quote highlights the idea that victories come with varying degrees of cost, and that those which require significant sacrifices are often held in higher regard. The more challenging and demanding a victory is, the greater the sense of value and admiration associated with it, reflecting the human tendency to cherish hard-won achievements. This is particularly relevant in contexts like warfare, personal struggles, or any competitive arena where perseverance and resilience play crucial roles.

In Patrick O'Brian's "Post Captain," this theme resonates throughout the narrative as characters face numerous trials that test their limits. The complexities of relationships, the pressures of duty, and the struggles of naval life underscore the notion that triumphs gained through hardship are particularly meaningful. The story invites readers to consider not just the outcome of conflicts, but the journey and sacrifices that characterize each victory.