30-28 Muhammad ibn Al-Hassan ibn Ahmad ibn al-Waleed - may God be pleased with him - narrated that Muhammad ibn Al-Hassan al-Saffar quoted on the authority of Muhammad ibn Al-Hussein ibn Abil Khattab and Ahmad ibn Muhammad, on the authority of his father, on the authority of Ali ibn Asbat and al-Hajjal that they heard Al-Ridha (s) say, “One of the worshippers from the Children of Israel only worshipped after remaining silent for ten years.”