Imam Ali (AS) said, ‘There must be no talking while the leader of the prayer is giving the sermon, nor looking around except to the extent permissible in the prayer.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ): لا كلامَ والإمامُ يَخطُبُ ولا التِفاتَ إلّا كما يَحِلُ في الصَّلاةِ.
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Man Lā Yaḥḍuruh al-Faqīh #1222Hadith.1230 - The Commander of the Faithful Imam Ali ibn Abi Talib (as) said: "There is to be no speaking while the Imam is delivering the...