Hasan was asked: If a man takes something from another and says to him, "May no evil remain with you," or "May evil be removed from you," what is its ruling? He replied: He should say, "May no evil remain with you."

Hazrat Sulaiman bin Musa narrates that Hazrat Umar said: When any one of you takes something from his brother, he should show it to him as well.

Hazrat Abu Huraira narrates that the Messenger of Allah, peace and blessings be upon him, said: Each of you is a mirror to his brother, so when he sees something harmful, he should remove it from him.

Hazrat Tariq bin Shihab narrates that there was some harsh exchange of words between Hazrat Khalid bin Waleed and Hazrat Saad. Then a man came to Hazrat Saad and started speaking ill of Hazrat Khalid. Hazrat Saad said: Stop! Surely, the dispute between us does not reach our religion!

Hazrat Zaid bin Suhan narrates that Hazrat Umar said: What prevented you that when you saw a man dishonoring people’s reputations, you did not even feel any sense of honor about it? The people replied: We were only protecting ourselves from his tongue. He said: This is even more disgraceful, that you are becoming witnesses to it.

Hazrat Qais narrates that Hazrat Amr bin Al-Aas passed by a dead mule and said to his companions, "If any one of you eats this until his stomach is full, it is far better than eating the flesh of his Muslim brother."

Hazrat Abu Huraira narrates that I asked the Messenger of Allah (peace and blessings be upon him): O Messenger of Allah (peace and blessings be upon him)! What is backbiting? He (peace and blessings be upon him) said: That you mention about your brother something which he dislikes. I submitted: O Messenger of Allah (peace and blessings be upon him)! What is your opinion if what I say is actually present in my brother? He (peace and blessings be upon him) said: If what you say is present in your brother, then indeed you have backbitten him, and if what you say is not present in your brother, then indeed you have slandered him.

Hazrat Hakam narrates that a son of Hazrat Abu Darda said: A man spoke ill of another man in his absence, so another person stopped him. Upon this, Hazrat Abu Darda said: I heard the Messenger of Allah, peace and blessings be upon him, say: Whoever defends his brother’s honor, it will become a barrier for him against Hell.

Hazrat Aun narrates that a man spoke ill of another man in his absence, so another person rejected his words. Upon this, Hazrat Umm Darda said: Indeed, I envy you, because whoever defends the honor of his brother, Allah Almighty will protect that person from the scorching wind of Hell or from the burning fire of Hell.

Ibrahim narrates that Hazrat Abdullah bin Masood (may Allah be pleased with him) said: When you mention something that exists in a person, then you have not declared his purity.