You must believe, Herzog had said. Belief was the key to shamanic mindset. Belief also terrorized generations of urban children who had heard and believed that alligators dwelt in the sewers of their cities. Did that make Gator an urban totem? If that were the case, a totem was no more than a symbol, a way to place the mind in a receptive frame. Issac’s writings had implied as much, but Sam hadn't grasped the emotional core of the concept. Now, he began to see.