In The Wounded Healer, Henri Nouwen retells a tale from ancient India:
Four royal brothers decided each to master a special ability. Time went by, and the brothers met to reveal what they had learned.
"I have mastered a science," said the first, "by which I can take but a bone of some creature and create the flesh that goes with it."
"I," said the second, "know how to grow that creature's skin ...