The fuel on which science runs is ignorance. Science is like a hungry furnace that must be fed logs from the forests of ignorance that surround us. In the process, the clearing we call knowledge expands, but the more it expands, the longer its perimeter and the more ignorance comes into view.
Matt RidleyAnaxagoras’ belief that lying on the right side during sex would produce a boy was so influential that centuries later some French aristocrats had their left testicles amputated.
Matt RidleyWe consciously decide whether to consider people; we fall in love despite ourselves; we entirely fail to fall in love with people who fall in love with us. It is a mightily complicated business.
Matt RidleyMots clés love sex evolution red-queen
In history, and in evolution, progress is always a futile, Sisyphean struggle to stay in the same relative place by getting ever better at things. Cars move through the congested streets of London no faster than horse-drawn carriages did a century ago. Computers have no effect on productivity because people learn to complicate and repeat tasks that have been made easier.
Matt RidleyMots clés progress
How much more generous it would be if, instead of writing parables about childhood wounds, psychologists were to accept that some differences between the sexes just are, that they are in the nature of the beasts, because each sex has an evolved tendency to develop that way in response to experience.
Matt RidleyMots clés psychology evolution psychoanalysis sexes
Half the ideas in this book are probably wrong.
Matt RidleyThe gene contains a single 'word', repeated over and over again: CAG, CAG, CAG, CAG ... The repetition continues sometimes just six times, sometimes thirty, sometimes more than a hundred times. Your destiny, your sanity and your life hang by the thread of this repetition. If the 'word' is repeated thirty-five times or fewer, you will be fine.
Most of us have about ten to fifteen repeats. If the 'word' is repeated thirty-nine times or more, you will in mid-life slowly start to lose your balance, grow steadily more incapable of looking after yourself and die prematurely.
The body is merely an evolutionary vehicle for the gene
Matt RidleyMots clés science biology evolutionary-biology
At some point, human intelligence became collective and cumulative in a way that happened to no other animal.
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