Morality In Moby Dick

How might someone set their own morals? Morality is the system through which we determine right and wrong, the guide to good or right conduct. If someone witnesses something that they deem wrong, they set morals so they can assure themselves that they will never be like the wrongdoer.
In the story, Moby Dick, Captain Ahab has set out to kill the enormous whale that has taken his leg. This is an example of how we set morals so we don’t become the kind of people we despise. Captain Ahab does not want to be presumed a coward, so he makes a mission of finding the whale that took something from him. Ahab assembles his crew and is on a journey to find the whale. This is an example of how we set morals so we don’t become the kind of person that society