28-9 Muhammad ibn Ahmad al-Baghdady narrated that Abdullah ibn Muhammad ibn Suleiman ibn Abdullah ibn al-Hassan quoted his father, on the authority of his grandfather, on the authority of Zayd ibn Ali, on the authority of his father Ali ibn al-Hussein as-Sajjad (MGB), on the authority of his father (Al-Hussein ibn Ali (MGB)), on the authority of the Commander of the Faithful Ali ibn Abi Talib (MGB) that God’s Prophet (MGB) said, “