It was narrated from Abu Bakr as-Siddeeq that he delivered a khutbah and said:
0 people, you recite this verse but you quote it inappropriately: “O you who believe! Take care of your own selves. If you follow the (right) guidance [and enjoin what is right (Islamic Monotheism and all that Islam orders one to do) and forbid what is wrong (polytheism, disbelief and all that Islam has forbidden)] no hurt can come to you from those who are in error` (al-Ma'idah 5:105]. I heard the Messenger of Allah (ﷺ) say: `If the people see evil and do not denounce it, soon Allah will send His punishment upon them ali.”