An atheist is swimming in the ocean. All of the sudden he sees a shark in the water, so he starts swimming towards his boat.
As he looks back he sees the shark turn and head towards him. His boat is a ways off and he starts swimming like crazy. He's scared to death, and as he turns to see the jaws of the great white beast open revealing its teeth in a horrific splendor, the atheist screams, "Oh God! Save me!"
In an instant, time is frozen and a bright light shines down from above. The man is motionless in the water when he hears the voice of God say, "You are an atheist. Why do you call upon me when you do not believe in me?"
Aghast with confusion and knowing he can't lie, the man replies, "Well, that's true I don't believe in you, but how about the shark? Can you make the shark believe in you?"
The Lord replies, "As you wish," and the light retracted back into the heavens and the man could feel the water begin to move once again.
As the atheist looked back he saw the jaws of the shark start to close down on him, when all of sudden the shark stopped and pulled back.
Shocked, the man looked at the shark as the huge beast closed its eyes and bowed its head and said, "Thank you Lord for this food I am about to receive..."