Hadith is a piece of speech stated by the Prophet Muhammad and his Household (Ahl al-Bayt). Following the instructions of Ahl al-Bayt, which include various aspects of human’s life, along with the Holy Qur’an, guarantees human’s felicity and happiness in both this world and the Hereafter. In the section of hadith, 2500 hadiths have, so far, been selected and translated into 8 different languages.