He reported God's messenger as saying, "People who arise from an assembly in which they did not remember God will be just as if they had got up from an ass's corpse, and it will be a cause of grief to them." Ahmad and Abu Dawud transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الدعوات / 2273
Hadith Gradingالألبانی:صَحِيحٌ | زبیر علی زئی:إسناده صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «إسناده صحيح، رواه أحمد (515/2 ح 10691 مختصرًا) و أبو داود (4855)»