"It's one of the Monuments" (Chapter 1, pg. 20.)

"This thing is so different from everything else they left" (Chapter 5, pg. 54.)

"It is now a race between our greenhouse on Earth and the greenhouse on Quragua" (Chapter 6, pg. 75.)

"These things snack on beach monkeys" (Chapter 7, pg. 96.)

"I wouldn't want to spend the rest of my life wondering what the hell that city on the moon is about, and knowing I might have been close enough to find out, and didn't try" (Chapter 10, pg. 36.)

"They've paid us in our own coin, haven't they?" (Chapter 13, pg. 169.)

"Farewell and good fortune. Seek us by the light of the horgon's eye" (Chapter 15, pg. 194.)

"We should probably have a communications malfunction" (Chapter 17, pg. 226.)

"There's a better chance that both Hazeltines will fail" (Chapter 17, pg. 237.)

"We seem to have gone through it" (Chapter 18, pg. 248.)

"I'm not anxious to suggest anything radical...but we have a total...