Sayyiduna Abu Hurairah (may Allah be pleased with him) reports in a marfu’ narration: During the Friday sermon, when you say (to someone), “Be quiet!” then you have engaged in idle (futile) talk.
Hadith Referenceالمنتقى ابن الجارود / كتاب الصلاة / 299
Hadith Gradingغلام مصطفےٰ ظهير امن پوري:صحيح
Hadith Takhrijاز غلام مصطفےٰ ظهير امن پوري:«صحيح مسلم : 851»