8-14 Muhammad ibn al-Hassan ibn Ahmad ibn al-Walid - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted Al-Hassan ibn Musa al-Khishab, on the authority of Ali ibn Asbat, on the authority of some men who narrated that
Abu Abdullah as-Sadiq (MGB) said, “Guard your mosques from the following eight things: selling goods; buying goods; insane people; children; feeble ones; making judgements; executing punishments; and speaking in a loud voice.”