An audio in French answers 54 questions about the Islamic belief based on the Quran and Sunnah to reassure the reader about the answer authenticity, for the monotheism doctrine is the basis of one's happiness in this world and the world to come.
Pilgrimage to Makkah is the Fifth pillar of Islam, it is a worship which gathers different types of worship eg: physical, financial and hearty. It must be performed by the physically and financially capable person once in a lifetime.