Read the excerpt from Chapter 28 of Moby-Dick . It was one of those less lowering, but still grey and gloomy enough mornings of the transition, when with a fair wind the ship was rushing through the water with a vindictive sort of leaping and melancholy rapidity, that as I mounted to the deck at the call of the forenoon watch, so soon as I leveled my glance towards the taffrail, foreboding shivers ran over me. Reality outran apprehension; Captain Ahab stood upon his quarter-deck. Which of the novel’s themes is best developed in this excerpt from Chapter 28 of Moby Dick?