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"Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals."
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"The common behavior of mankind is the system of reference by means of which we interpret an unknown language."

"Most of the men had simple souls. They could relate facts, but they said very little about what they dimly felt."

"A physician is not angry at the intemperance of a mad patient, nor does he take it ill to be railed at by a man in fever. Just so should a wise man treat all mankind, as a physician does his patient, and look upon them only as sick and extravagant."

"We are, or rather our natural desire to evade pain and to attain pleasure is, the primary reason we do or say every single thing we do or say."

"I waited. Women talk when they want to. Or don't."

"Acceptable hypocrisy is often called politeness."

"Often a woman that doesn't have any business being in a fight is there because their ego thinks it can mend what other people can't. It's either superiority or a second chance to heal a wound they have, by meddling on your battlefield."

"No man is exempt from saying silly things, the mischief is to say them deliberately."

"Cruel people offer pity when they no longer feel threatened. However, kind people offer compassion and understanding regardless."
Explore more quotes by Peter R. Grant

"The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow."

"Exchange of breeding individuals between two populations tends to homogenize their gene pools."

"The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted."

"To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life."

"The theory of founder effects does not explain how novel features like plumage traits arise."
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