In Steve Erickson's "Rubicon Beach," the protagonist expresses a powerful desire to break free from constraints and explore the depths of his own experiences. He uses vivid imagery to convey his struggle, suggesting that he can transform obstacles into mere shadows, highlighting his determination and resolve. This reflects a journey of self-discovery where the character is not deterred by challenges but instead seeks to navigate through them with purpose.

Moreover, the metaphor of sailing and swimming signifies a deep connection to the element of water, representing both a physical and emotional journey. The character's intimate understanding of the water conveys a sense of familiarity and mastery, suggesting that he is prepared to face whatever lies ahead. Overall, this quote encapsulates themes of perseverance, transformation, and an indomitable spirit in action, as the character strives to reach the one he longs for.