“Maybe you should treat an old cuss like me more gently,” he suggested, and started to laugh raucously, a cackle, a hoot, a suck of breath, then more laughter. The laughter stopped abruptly and he shouted, “Keep the ghosts out of my monk’s quarters, damn you!”

The guards stared at him, then at each other.

It was hours before they took him back into his cell. The intrusion was never explained.

Joan and Voltaire, the resurrected “sims” or simulated intelligences, modeled after lost historical figures, had given him so much trouble and so much information-decades past, when he had been at the height of his mature youth, First Minister of the Empire, and Dors had constantly been at his side.

Hari had forgotten about them, but now Joan, at least, was back, riding a mechanical contrivance into his prison cell, subverting all the security systems. She had decided against leaving with the meme-minds, to explore the Galaxy…

And what about Voltaire? What more trouble could either or both of them cause, with their ancient brilliance and their ability to infiltrate and reprogram the machines and communications and computational systems of Trantor?

They were certainly beyond his control. And if Joan favored Hari, whom would Voltaire favor? They had certainly represented opposite points of view through most of their

career…But at least someone from the past was still around, professed concern for him! He did not have Dors, or Raych, or Yugo…or Daneel…

Perversely, the more he thought about the visitation, the less disturbed he became. Hours passed, and he slipped into a deep and restful slumber, as if he had been touched by something profoundly convinced and at peace.

Lodovik held the head of R. Giskard Reventlov and stood motionless for several minutes, lost in deep processing of what he had absorbed-lost in contemplation. He set the head down gently on the plinth.

Kallusin kept a respectful silence.

Lodovik turned toward the humaniform Calvinian. “They were very difficult times,” he said. “Humans seemed intent on destroying each other. The Solarians and Aurorans-the Spacers-were very difficult cultures.”

“All humans present grave difficulties,” Kallusin said. “Serving them is never easy.”

“No,” Lodovik agreed. “But to take on the responsibility of destroying an entire world-the home world of humanity, as Giskard did…To push human history onto a proximate beneficial course…That is extraordinary.”

“Few robots not perverted by human prejudices and inappropriate programming would have done such a thing.”

“You believe Giskard was operating improperly?”

“Is it not obvious?” Kallusin asked.

“But a robot that is malfunctioning so severely in its basic instructions must shut down, become totally inactive.”

“You have not shut down,” Kallusin noted dryly.

“I have had such constraints removed-Giskard had not. Besides, I haven’t committed such crimes!”

“Indeed. And so Giskard ceased functioning.”

“But not before setting in motion all these events, these trends!”

Kallusin nodded. “Clearly, we have more latitude than our designers ever planned for.”

“The humans thought they were rid of us. But they could not sweep all the worlds where robots still existed-and where Giskard’s virus grew. Nor, apparently, did all humans agree to dispose of their robots.”

“There were other factors, other events,” Kallusin said. “Plussix remembers little but that robots knew sin.”

Lodovik turned to Kallusin, breaking his contemplation of the silvery head, and felt again the out-of-place and untraceable resonance. “By seeking to constrain human freedom,” he suggested.

“No,” Kallusin said. “That was what led to the schism between Giskardians and Calvinians. Those who broke away from Daneel’s faction carried out instructions given centuries before by humans on Aurora. What those instructions were-”

The word or name attached to the resonance suddenly became clear. Not Voldarr, but Voltaire. A human personality, with humanlike memories. This is what the meme-minds hated. I have swum through space with them, across light years, through the last remnants of wormholes abandoned by humanity…This is why they took revenge on your kind on Trantor!

Images, comparisons rose unbidden. “A vast burning, winnowing, an extirpation,” Lodovik said, shuddering at the human emotion of anger, not his own. Shuddering also at the return of his malfunction, never leaving him alone long enough to enjoy stability. “Serving humanity but not justice. A prairie fire.”

Kallusin regarded him with curiosity. “You know of these events? Plussix has never revealed them to me.”

Lodovik shook his head. “I am puzzled by what I just said. I do not know where the words come from.”

“Perhaps exposure to these histories, these memories”

“Perhaps. They disturb and inform. We should return to Plussix. I am far more curious now what his plans are, and how we shall proceed.”

They left the chamber where Giskard’s head was stored and climbed the spiral stairs to the upper warehouse level.

Mors Planch was summoned from his well-appointed cell, not far from the private office of Farad Sinter. The guard who came to fetch him was of pure citizen stock, strong and unquestioning and taciturn.

“How is Farad Sinter today?” Planch asked.

No answer.

“And you? You feel well?” Planch lifted an inquiring and sympathetic eyebrow.

A nod.

“I am feeling a little uneasy myself. You see, this Sinter is every bit as terrible a human being as-”

A warning frown.

“Yes, but unlike you, I want to incur his wrath. He will kill me sooner or later, or what he has done will lead to my death-I don’t doubt that at all. He smells of death and corruption. He represents the worst the Empire can summon these days-”

The guard shook his head in remonstration and stepped around to open the door to the new Chief Commissioner of the Commission of General Security. Mors Planch closed his eyes, sucked in a deep breath, and entered.

“Welcome,” Sinter said. He stood in his new robes, even more grand (and much gaudier) than those of Linge Chen. His tailor, a small Lavrentian with a worried face, probably new to the palace, stood back and folded his hands as this new master enjoyed the unfinished work, and delayed its completion. “Mors Planch, I’m sure you will be delighted to know we have captured a robot. Vara Liso actually found it, and it did not escape.”

The small, intense, and thoroughly discomfiting woman had almost managed to hide behind Sinter, but now she bowed and acknowledged this praise. She did not look happy, however.

Sky, she’s ugly, Planch thought, and at the same time felt pity for her. Then she looked directly at him, narrowed one eye, and the pity froze in his veins.

“There may be robots everywhere, as I suspected, theorized, and as you discovered, Mors.” Sinter submitted to the tailor once more, lowering his arms and holding still. “Tell our witness about your find, Vara.”

“It was an old robot,” Liso said breathlessly. “A humaniform, in terrible condition, haunting the dark places of the municipalities, a pitiful thing-”

“But a robot,” Sinter said, “the first found in any kind of working order in thousands of years. Imagine! Surviving like a rodent all these centuries.”

“Its mind is weak,” Liso commented softly. “Its energy reserves are very low. It will not last much longer.”

“We shall take it before the Emperor this evening, then, tomorrow, I shall demand that my interview with Hari Seldon be moved forward. My sources tell me Chen is ready to give in and strike a deal with Seldon-the coward! The traitor! This evidence, along with your tape, should convince the worst skeptic. Linge Chen had hoped to destroy me. Soon I shall have more power than all the Commission of Public Safety’s stuffy barons combined-and just in time to save us all from servitude to these machines.”