Which sentence or phrase reflects the theme that nature is indifferent to the troubles of man in this excerpt from "The Open Boat" by Stephen Crane?

A(There is a certain immovable quality to a shore), and B(the correspondent wondered at it amid the confusion of the sea.)
C(It seemed also very attractive, but the correspondent knew that it was a long journey,) and D(he paddled leisurely). E(The piece of life preserver lay under him,) and F(sometimes he whirled down the incline of a wave as if he were on a hand sled)