"Evolution is a treadmill, not a ladder" (Chapter 2, pg. 27.)

"Evolving is not a goal but a means to solving a problem" (Chapter 2, pg. 31.)

"It is stasis, not change, that is the hallmark of evolution" (Chapter 3, pg. 63.)

"The struggle for existence never gets easier" (Chapter 3, pg. 64.)

"When one gender is being choosey, all the consequences of sexual selection flow" (Chapter 5, pg. 169.)

"Evolution is more about reproduction of the fittest than survival of the fittest" (Chapter 6, pg. 174.)

"About three-quarters of all tribal cultures are polygamous" (Chapter 6, pg. 177.)

"Mankind is a polygamist and a monogamist, depending on the circumstances" (Chapter 6, pg.177.)

"Gossip was rife and a husband's best chance of deterring his wife's affairs was to let her know that he kept abreast of her affairs" (Chapter 7, pg. 229.)

"With concealed ovulation came continual sexual interest" (Chapter 7, pg. 230.)

"Difference is not inequality" (Chapter 8, pg. 249.)

"Gossip is one of the most universal human...