the Messenger of Allah said: "The religion is An-Nasihah" three times. They said: "O Messenger of Allah! For Whom?" He said : "To Allah , His books, the A'immah of the Muslims, and their average people."
Jami` at-Tirmidhi Book 27, Hadith 32
← Previous Hadith " I pledged to the Prophet to establish the Salat, give the Zakat, and to give sincere advice to every Muslim."

Jami` at-Tirmidhi Book 27, Hadith 31 Next Hadith → : "The Muslim is the brother to the Muslim, he does not cheat him, lie to him, nor deceive him. All of the Muslim is unlawful to another Muslim: His Honor, his wealth, and his blood. At-taqwa is here. It is enough evil for a man that he belittle his brother Muslim."

Jami` at-Tirmidhi Book 27, Hadith 33