Is there such a thing?' Birle asked. He looked thoughtfully at her, but not as if he saw her. 'Men have dreamed of it, although none has ever held it in his hand, not to my knowledge. I cannot say that there is such a thing, no. But equally I cannot say there is not. Why should a man be able to dream of it if it cannot be? If it is so impossible, then what put's it into a man's mind? Greed puts many things into men's mind, and fear does too. But men dream of other things, as well-- of justice, of the lost golden age, of an order to their world... of medicine to cure all sickness...