Al-Quran is the main source of Islam's teachings and guidance. It is the central religious text of Islam, which is a religion that is based on the Quran. The Quran is a book that is considered by Muslims to be a sacred book, and it is the main source of religious knowledge and religious laws in Islam. It is the final and the most important message that is delivered to humanity by the messenger of God, and it is the best guidance for humanity. The Quran is a book that is composed of several chapters, and each chapter contains one or more verses.