“I've got my own toilet." -- Grace Harper”

“You're a kid. I didn't know we taught kids manners anymore.”

“It helps if you don’t think of them as human. More than one officer has called this job pest control.”

“Hate looks like everybody else until it smiles”

“The life where nothing was ever unexpected. Or inconvenient. Or unusual. The life without colour, pain or past.”

“Homo sapiens! The name itself was an irony. They had not been wise at all, but incredibly stupid. Lords of the Earth with their great gray brains, their thinking minds had placed them above all oth...”

“It is better to be small, colorful, sexy, careless, and peaceful, like the flowers, than large, conservative, repressed, fearful, and aggressive, like the thunder lizards; a lesson, by the way, tha...”

“Nothing but truth is immortal.”

“I've put in so many enigmas and puzzles that it will keep the professors busy for centuries arguing over what I meant, and that is the only way of insuring one's immortality.”

“We realized that among us, among all the races, we had a staggering fund of knowledge and of techniques - that working together, by putting together all this knowledge and capability, we could arri...”

“It seems to me, Golan, that the advance of civilization is nothing but an exercise in the limiting of privacy.”

“Science fiction at its best should be crazy and dangerous, not sane and safe.”