He reported God's messenger as saying, "If people sit in an assembly in which they do not remember God or invoke a blessing on their Prophet, vengeance will descend upon them. If God will He will punish them, but if He wills He will forgive them.”
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."
Umm Habiba reported God's messenger as saying, "Everything a son of Adam says counts against him and not in his favour, except recommending what is good, prohibiting what is objectionable, or making mention of God."
Tirmidhi and Ibn Majah transmitted it, Tirmidhi saying this is a gharib tradition.
Abu Huraira reported God’s messenger as saying, “If anyone sits in a place where he does not remember God, deprivation will descend on him from God; and if anyone lies down in a place where he does not remember God, vengeance will descend on him from God.”