Just bring up a subject , if you have a class with them then it should be easy so ask them to help you with a question or if there is any homework
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 />