A man defamed and slandered another man in presence of the Prophet, peace be upon him and his progeny, so a person from the people present, refuted him. The Prophet (s), said: “Whoever defends the honor of his brother, that act will shield him from hellfire.”[i]

[i] al-Amaali by Sheikh al-Mufeed

Imam Ali (as) said “Every statement in which God is not mentioned is a vanity. Every silence in which there is no thought (of Him) is carelessness. Every reflection in which there is no consideration (of Him) is an idle pastime.”[i]

[i] Kitab al-Irshad by Sheikh al-Mufid