"No, Mr Peyton. Don't-"

"On the asteroid."

"AC, is this the end? Can this chaos not be reversed into the Universe once more? Can that not be done?"

"I cannot face the responsibility involved in having invented graphitics."

"You're going to kill me."

"Good-bye, friend Daneel."

"I love you, Gladia, my daughter."

"I ask you, with all respect, to move away from your present position voluntarily."

"Dishonoured, either way."

"Say good-bye, Dr Venabili. All I have to do now is turn the device to full power and you will be history."