Who read Moby-Dick help me please: consider Moby-Dick as ethical instruction

Consider Moby-Dick as ethical instruction regarding behavior, obligation, observance, faith, prayer, character, conscience, or spirituality. What advice and discipline does it seem to suggest? Third, the allegorical: consider the rich symbols, metaphors, and analogies in Moby-Dick for their theological, political, or ideological meanings. What confirmation is there for such an interpretation?