28-78 Muhammad ibn Al-Hassan ibn Ahmad ibn al-Waleed - may God be pleased with him - narrated that Al-Hassan ibn Muhammad ibn Isma’il al-Qurashi quoted on the authority of Ahmad ibn Muhammad ibn Isa, on the authority of Al-Hassan ibn Ali ibn Fadhdhal, on the authority of Abil Hassan Ali ibn Musa Al-Ridha (s), on the authority of his father (s), on the authority of his forefathers (s), on the authority of Ali (s) that God’s Prophet (s) said, “The diseases of the previous nations - being animosity and jealousy - have infiltrated you.”