The correct answer is: Nature works as a tool for introspection and comfort for humans.
Nature was a rich source of inspiration in romantic literature. However, the main reason for this was the fact that it resembles and represents humanity's (and individuals') inner struggles. The excerpt "do you not find a strange analogy for something in yourself" confirms this. In Melville's view, the ocean is the irrational, wild, frightening, unexplored side of human nature, which breeds monsters.
On the other hand, the earth is solid, rational, fertile and life-giving.
The last one is the answer
Answer:
(if this is a real question) The answer is a simile. A comparison using like or as.
If this is just for the funnies then its Katy Perry Hot N Cold. :)