What is the passage about
This detail exemplifies the larger theme of the futility of human efforts to dominate nature.
The entire novel revolves around that theme - whether Ahab as a human is capable of dominating Moby Dic, which is a whale and thus a representative of nature. Nature seems to be winning constantly and humans are ultimately unable to conquer it because nature is unconquerable. <span />
He sees both the extraordinary quality of hope that Gatsby possesses and his idealistic dream of loving Daisy in a perfect world