" and the intolerant eyes which in the last two years had acquired that transparent film which the eyes of carnivorous animals have and from behind which they look at a world which no ruminant ever sees, perhaps dares to see, which I have seen before on the eyes of men who have killed too much, who have killed so much that never again as long as they live will they ever be alone. "

― William Faulkner , The Unvanquished