There is an old legend about Judas that after his death Judas found himself at the bottom of a deep and slimy pit. For thousands of years he wept his repentance, and when the tears were finally spent, he looked up and saw way, way up a tiny glimmer of light. After he had contemplated it for another thousand years or so, he began to try to climb up towards the light. The walls of the pit were dark ...