 Among the other repeated phrases are "Allah created the heavens and the earth" (found 19 times in the Quran).As much as one third of the Quran is made up of "oral formulas", according to Dundes' estimates.Bannister, using a computer database of (the original Arabic) words of the Quran and of their "grammatical role, root, number, person, gender and so forth", estimates that depending on the length of the phrase searched, somewhere between 52% (three word phrases) and 23% (five word phrases) are oral formulas.