1.Moby dick is a sprawling colossus into which the author kept dumping everything he saw as necessary to prove his point.
2. Moby dick represents the sum total of Melville’s bleak view of the world in which he lived. It is at once Godless and purposeless. Man in this universe lives a meaningless and futile life, meaningless because futile.
3. One of the major themes in Melvilles is alienation, which he sensed existing in the life of his time on different levels, between man and man, man and society, and man and nature.
4.Moby Dick reveals the basic pattern of nineteenth-century American life: loneliness and suicidal individualism in a self-styled democracy.