Hadith 18050

حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ ، أَخْبَرَنَا الْعَوَّامُ ، حَدَّثَنَا عَبْدُ الْجَبَّارِ الْخَوْلَانِيُّ ، قَالَ : دَخَلَ رَجُلٌ مِنْ أَصْحَابِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْمَسْجِدَ ، فَإِذَا كَعْبٌ يَقُصُّ ، فَقَالَ : مَنْ هَذَا ؟ قَالُوا : كَعْبٌ يَقُصُّ . فَقَالَ : سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ، يَقُولُ : " لَا يَقُصُّ إِلَّا أَمِيرٌ أَوْ مَأْمُورٌ أَوْ مُخْتَالٌ " . قَالَ : فَبَلَغَ ذَلِكَ كَعْبًا ، فَمَا رُئِيَ يَقُصُّ بَعْدُ.
Abdul Jabbar Khawlani (may Allah be pleased with him) says that once a companion (may Allah be pleased with him) entered the mosque while Ka'b Ahbar (may Allah have mercy on him) was delivering a sermon. He asked, "Who is this?" The people informed him, "This is Ka'b, who is delivering a sermon." He said, "I heard the Prophet (peace and blessings of Allah be upon him) say that only the leader may deliver a sermon, or one who has been given permission, or a show-off." When Ka'b (may Allah have mercy on him) learned of this, he was not seen delivering sermons after that.
Hadith Reference مسند احمد / مسند الشاميين / 18050
Hadith Grading حکم دارالسلام: حسن لغيره، وهذا إسناد ضعيف، عبدالجبار الخولاني مجهول الحال