7-61 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted Ahmad ibn al-Hussein ibn Sa’id, on the authority of Al-Hussein ibn Asad al-Basry, on the authority of Al-Hussein ibn Sa’id, on the authority of someone who narrated on the authority of Khalaf ibn Himmad, on the authority of someone who quoted Aba Abdullah as-Sadiq (MGB),

“Aba Abdullah as-Sadiq (MGB) passed by a group of people who were having blood-letting done for them. He (MGB) told them ‘What would have happened if you had postponed it until Sunday night as that would be more effective in alleviating one’s pains.’”