Ever seen an old man just sitting in the sun, taking it easy? It doesn't have to mean he's senile. It may do, but very likely he can snap out of it a… - John Wyndham

I'd begun to grasp the principle that the less anybody knows, the less any squealer can give away. And it was easy to see that in a place where questioning was liable to assume the aspect of a blood-sport, the less one did know about other people's business, the better.

A species continues to exist by outbreeding the checks that its natural enemies impose on it. That is what gives the illusion of "the balance of nature" belief. Once the natural enemies cease to be a threat its fecundity becomes terrifying. Look what has happened in a generation or two to our own population, largely because a few diseases have been overcome. Find a way of conquering the natural enemies, and the only limiting factor is the food supply.

Cruelty is as old as life itself.