"Females are inherently more stable, perhaps because they have a more balanced chromosome arrangement."

"There are more nuts in the brain rackets than labor chumps."

"Intellectual activity increases the area of conflict."

"There are less in the sticks than in the cities, and practically none among the savages. I mean real savages," Clocker told Handy Sam, "not marks for con merchants."

"I was wondering," Handy Sam admitted.

"Complex civilization creates psychic insecurity," said Doc.

"When these catatonics pull out, they don't remember much or maybe nothing," Clocker went on, referring to his charts.

Doc nodded his shaggy white head. "Protective amnesia."

"I seen hundreds of these mental gimps. They work harder and longer at what they're doing, even just laying down and doing nothing, than they ever did when they were regular citizens."

"Concentration of psychic energy, of course."