“Believe," said the rumbling voice. "If you are to survive, you must believe."
"Believe what?" asked Shadow. "What should I believe?"
He stared at Shadow, the buffalo man, and he drew himself up huge, and his eyes filled with fire. He opened his spit-flecked buffalo mouth and it was red inside with the flames that burned inside him, under the earth.
"Everything," roared the buffalo man.”
―
Neil Gaiman,
American Gods