““You know nothing,' she said to him gravely, her voice so low that the slightest noise from the street interrupted it, might carry her words away, so that I found myself straining to hear her against myself as I lay with my head back against the chair. 'And suppose the vampire who made you knew nothing, and the vampire who made that vampire knew nothing, and the vampire before him knew nothing, and so it goes back and back, nothing proceeding from nothing, until there is nothing! And we must live with the knowledge that there is no knowledge.' 'Yes!' he cried out suddenly, his hands out, his voice tinged with something other than anger.””