Answer:
Zaroff is trying to convince Rainsford that his "sport" is natural.
Explanation:
The statement is from "The Most Dangerous Game", which is a short story written by Richard Connell.
The story is about Zaroff and his friend Rainsford who are game hunters.
Rainsford does not care about his prey. He believes its all about hunting, killing, and skins - a game. When Rainsford accepted to have an experience of Zaroff's game, he lost his personality and started behaving like Zaroff majorly at thinking. This made him a terrible killer who latter killed Zaroff in the end.
So with the statment, Zaroff was trying to convince Rainsford that nature is all about being smart and fast. So as not to fall a victim - huntee.
