Walking through the forest, an atheist hears a rustling in the bushes. Turning, he sees a massive grizzly charging towards him! He runs as fast as he can but trips over a stump and falls. As the bear raises a huge paw to strike, the atheist screams: "God! Help me!"
Time freezes. The bear becomes immobile, the forest is silent, and the river stops running. Then the atheist hears a powerful voice: "You have denied my existence for years, taught others I don’t exist and credited my creation to a cosmic accident. Why should I help you?"
"It would be hypocritical to ask you to show mercy on me," the atheist agrees. "But perhaps you could make the bear a Christian?"
At that, the noise of the forest resumes, the river runs, and the bear drops to its knees, brings its paws together, and says, "Lord, for this food which I am about to receive, I am truly thankful."