Christianity
A shipwrecked traveler was washed up on a small island. He was terrified at thought of cannibals, and explored with the utmost stealth. Discovering a thin wisp of smoke above the scrub, he crawled toward it fearfully, in apprehension that it might be from the campfire of savages. But as he came close, a voice rang out sharply:
“Why in hell did you play that card?” The castaway, already on his knees, raised his hands in devout thanksgiving.
“Thank God!” he exclaimed brokenly. “They are Christians!”