It is said that when a certain caliph was on the verge of burning the great library at Alexandria, scholars fell on their knees in front of him and begged him to relent. "There are two kinds of books here," the caliph reportedly said. "There are those that contradict the Koran--- these are blasphemous. There are those that corroborate the Koran--- these are superfluous." "So, burn the library."