7. A number of our people have narrated from Sahl ibn Ziyad from Ahmad ibn Muhammad ibn abu Nasr from Muthanna al-Hannat from ‘Abd Allah ‘Ajlan from abu Ja’far who has said the following: “Abu Ja’far has said, ‘Islam is based on five principles. They are al-Wilayah, (accepting the Divine Authority of ‘ A’immah ), the prayer, al- Zakat (charity), fasting in the month of Ramadan and al-Hajj.’”