The quote from Herman Melville's "Moby Dick" reflects the complexity of Captain Ahab's character. It suggests that his greatness is not inherent but must be sought after, much like treasures pursued in the heavens or the ocean's depths. This pursuit symbolizes Ahab's intense desire for meaning and fulfillment, portraying him as a figure driven by ambition and a longing to conquer the unknown.

Additionally, the imagery in the quote emphasizes the struggles and challenges involved in achieving greatness. Ahab's quest is portrayed as a profound journey requiring deep exploration—both physically and existentially. This resonates with the central themes of struggle against nature and the exploration of one's inner self present in the novel.