"'A species continues to exist by outbreeding the checks that its natural enemies impose on it. That is what gives the illusion of "the balance of nature" belief. Once the natural enemies cease to be a threat its fecundity becomes terrifying. Look what has happened in a generation or two to our own population, largely because a few diseases have been overcome. Find a way of conquering the natural enemies, and the only limiting factor is the food supply.'"

“I don't understand women. Nobody does. Least of all themselves.”

“'The wise lamb does not enrage the lion,' he said. 'It placates him, plays for time, and hopes for the best.'”

“'We've got it all there in the books if we take the trouble to find out about it.'”

“'In spite of what they say, two can't live as cheap as one. And wives hanker after certain standards, and ought to have them - within reason, of course.'”

“It takes civilised people quite a while to appreciate 'the big lie' technique.”

“Darling, you're talking as if all normal-length lives were planned. They aren't, you know. People have to learn how to live them—and by the time they find out, they're nearly gone. No time to remedy mistakes.”