Together with the Holy Qur'an the Practices (Sunna) of the Prophet Muhammed Muhammed (Pece and blessings be upon him) form the basis of the religion of Islam. To have a complete knowledge of Islam therefore one must know the Prophet's Practices. This book a selection of pieces from the Risale-i Nur explains and proves various aspects of the Prophethood of Muhammed (PBUH) and his Practices demonstrating that they are "the foundation stone of man's happiness in this world ant the next and the source of all attrainment and perfection."