“Sam said, "How do any of us know that anything is real?""We don't," Dodge said."Everything I know is a memory," Sam continued. "Every person I ever met, everything I have ever done. It could all be false. Implanted."It was a staggering thought. What if nothing that had gone before had ever really happened? Was the person he remembered as his mother even real? Had Fargas existed only in his mind?"I think you'd know," Vienna said. "I don't know why, but somehow, I think you'd know.”