A nurse on the pediatric ward, before listening to the little one's chests, would plug the stethoscope into their ears and let them listen to their own hearts. Their eyes would always light up with awe, but he never got a response equal to four-year old David's comment.

Gently he tucked the stethoscope into David's ears and placed the disk over his heart. "Listen," he said..........."What do you suppose that is?"

David drew his eyebrows together in a puzzled line and looked up as if lost in the mystery of the strange "thump, thump-thump" deep in his chest.

Then his face broke out in a wondrous grin and he asked, "Is that Jesus knocking?"