In Barbara Kingsolver's "Animal Dreams," the protagonist continues to navigate through life's challenges and uncertainties. The metaphor of swimming out into life suggests a quest for meaning and stability, depicting her determination to explore despite feeling adrift. This search is driven by a longing for security and understanding, indicating that personal growth often requires venturing into the unknown.

The quote emphasizes the struggle of finding a solid foundation amidst life's complexities. The absence of a "rock to stand on" symbolizes the lack of support or clarity in her life, highlighting the idea that one must keep striving and exploring until they can establish a sense of belonging or purpose. Ultimately, it suggests that the journey itself is essential in the pursuit of self-discovery.