"You see, . Sanity is quite a relative concept," Harrim says as his laughter recedes. "Each of us is certain t

"You see, . Sanity is quite a relative concept," Harrim says as his laughter recedes. "Each of us is certain that he's the sanest creature in the world. Meanwhile we periodically doubt the sanity of others. So what happens if two or three people claim that someone else is insane? Does that make it true? Perhaps the accusers have lost their minds themselves!"