Once again, Caddrick had failed to use the few brains God had given him. - Robert Asprin

Fools have a way of discovering...that the laws of time travel, like the laws of physics, have no pity and no remorse.

All the years he’d spent fooling himself into thinking that what he did was correct was simply time wasted from his life, on delusions and fantasies that kept him from seeing what he was and where he was inevitably headed with genuine clarity.

It operates very much like the social structure of a nomadic tribe. Those in the brotherhood are fully human; those outside are not.