1113Abu DawoodSahih (Al-Albani)حَدَّثَنَا الْقَعْنَبِيُّ، عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، عَنْ سَعِيدٍ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ إِذَا قُلْتَ أَنْصِتْ وَالإِمَامُ يَخْطُبُ فَقَدْ لَغَوْتَ " Abu Hurairah reported the Messenger of Allah (ﷺ) as saying:When you tell (your brother on Friday) to be silent while the imam is giving the sermon you are guilty of idle talk.Reference: Sunan Abi Dawud 1112 In-book : Book 2, Hadith 723 English translation : Book 2, Hadith 1107