"There are some secrets which do not permit themselves to be told. Men die nightly in their beds, wringing the hands of ghostly confessors, and looking them piteously in the eyes - die with despair of heart and convulsion of throat, on account of the hideousness of mysteries which will not suffer themselves to be revealed. Now and then, alas, the conscience of man takes up a burden so heavy in horror that it can be thrown down only into the grave. And thus the essence of all crime is undivulged."

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Alas, Islam turned against science in the twelfth century. The most influential figure was the philosopher Abu Hamid al-Ghazzali, who argued in The Incoherence of the Philosophers against the very idea of laws of nature, on the ground that any such laws would put God's hands in chains. According to al-Ghazzali, a piece of cotton placed in a flame does not darken and smoulder because of the heat, but because God wants it to darken and smoulder. After al-Ghazzali, there was no more science worth mentioning in Islamic countries.

— Steven Weinberg