Phoenix321: I've heard that parable before - it was haunting because it was delivered at the end of the HBO film "Conspiracy" about the Nazi meeting for designing the death camps.
That was an excellent movie. Where I got it from. Always stuck with me.
A guy opens the front door and sees a snail on his doorstep. He picks up the snail and throws it across the street in a neighbor's yard. A year later, the guy opens the front door and the same snail is on his doorstep. The snail says, "What the f*ck was that about?"