All he knew was that he could not eat the flesh of this black man, and thus hereditary instinct, ages old, usurped the functions of his untaught mind… - Edgar Rice Burroughs

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All he knew was that he could not eat the flesh of this black man, and thus hereditary instinct, ages old, usurped the functions of his untaught mind and saved him from transgressing a worldwide law of whose very existence he was ignorant.