The Quran (sometimes spelled Koran) is the holy book of Islam, as the Bible is the holy book of Christianity. Many of the stories in the two are the same, though there are also differences. Some of the names are different in the Quran, for instance. The Bible is a much older text, and the source of many of the books, stories, and even individual passages is in dispute to this day, while the Islamic world sees the Quran as the product of one man, Mohammed. Much of the theology derived from the two books differs, reflecting the situation and interests of the societies from which the two books emerged.
The first great personality to shape the Arab world was thus the founder of Islam,