This audiobook is prepared from the Risale-i Nur Collection (Bediuzzaman Said Nursi). This specific section is the Addendum-3 of the Nineteenth Letter which is about the evidences of the Prophethood of Muhammad (peace be upon him). It is given as a brief, index-like answer to the question concerning the first of the three important difficulties found at the conclusion of the Third Principle of the Treatise on the Ascension - the Thirty First Word..