There is this atheist swimming in the ocean. All of the sudden he sees this 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 looks back he can see the jaws of the shark start to close down on him, when all of sudden the shark stops and pulls back.
Shocked, the man looks at the shark as the huge beast closes its eyes and bows its head and says, "Thank you Lord for this food for which I am about to receive..."