(20) باب الأَمْرِ بِالْمَعْرُوفِ وَالنَّهْىِ عَنِ الْمُنْكَرِ
It was narrated that Qais bin Abu Hazim said:
"Abu Bakr stood upand praised and glorified Allah, then he said: 'O people, yourecite this Verse – "O you who believe! Take care of your ownselves. If you follow the (right) guidance no hurt can come to youfrom those who are in error."[5:105] – but I heard the Messengerof Allah (ﷺ) say: 'If people see some evil but do not change it,soon Allah will send His punishment upon them all.'"(One of the narrators) Abu Usamah repeated: "Indeed I heard that Messenger of Allah (ﷺ) say."
Reference: Sunan Ibn Majah 4005
In-book reference: Book 36, Hadith 80
English translation: Vol. 5, Book 36, Hadith 4005