Robert Sapolsky - Rules Quotes

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Orthodox Judaism has this amazing set of rules: everyday there's a bunch of strictures of things you're supposed to do, a bunch you're not supposed to do, and the number you're supposed to do is the same number as the number of bones in the body. The number that you're not supposed to do is the same number as the number of days in the year. The amazing thing is, nobody knows what the rules are! Talmudic rabbis have been scratching each others' eyes out for centuries arguing over which rules go into the 613. The numbers are more important than the content. It is sheer numerology.

Robert Sapolsky

Why do we have schizophrenia in every culture on this planet? From an evolutionary perspective, schizophrenia is not a cool thing to have.... Schizophrenia is not an adaptive trait. You can show this formally: schizophrenics have a lower rate of leaving copies of their genes in the next generation than unaffected siblings. By the rules, by the economics of evolution, this is a maladaptive trait. Yet, it chugs along at a one to two percent rate in every culture on this planet.
So what's the adaptive advantage of schizophrenia? It has to do with a classic truism — this business that sometimes you have a genetic trait which in the full-blown version is a disaster, but the partial version is good news.

Robert Sapolsky