"Is it true that when you're fully operational, you yourself don't know if you're speaking the truth?"
Part 1: Chap. 1, p. 20

"You will underwrite all my extravagances, and establish a free-wheeling, free-spending atmosphere of carefree hedonism."
Part 1: Chap. 2, p. 34

"It must be some kind of Shaper thing."
Part 1: Chap. 3, p. 65
Lindsay's practiced excuse for being unable to fire the main gun on the Mechanists ship.

"Now that your network has been, as you say, 'contaminated', we can at least meet face to face without spacesuits."
Part 1: Chap. 4, p. 72

"No one alive will hurt you without coming through me first."
Part 2, Chap. 5, p.126

"You know, I can't remember offhand where I left my brain."
Part 2, Chap. 6, p. 146

"To those our age, old memories can come with unexpected force."
Part 2, Chap. 7, p. 164

"It's been a long treatment: restoring a brain altered by heavy dosage of PDKL Ninety-five."
Part 3, Chap. 8, p. 182

"Life...