“Slowly he lifted his hands in the darkness and held them in mid-air, the fingers spread weakly open. If he reached out with his hands, and if his hands were electric wires, and if his heart were a battery giving life and fire to those hands, and if he reached out with his hands and touched other people, reached out through these stone walls and felt other hands connected with other hearts -- if he did that, would there be a reply, a shock?”