As told today by Jack Fulton, Chair of Photography SFAI
A guy sits in his house one day, when he hears a knock at his front door. When he opens the door he sees a small snail at his feet.
The man picks it up, looks at it for a second, throws it across the street and closes his door.
A year goes by and the man goes about his normal business, when one day now a year and a half later, he hears a knock at his front door.
when he opens the door he sees the snail who says
"what did you do that for?"