amr bil al-ma ruf wa nahi an al-munkar

“I haven t come out to commit oppression, transgression, corruption,
amusementand acting arrogantly,rather my uprising is for the sake of
reforming my grandfathersumma, and for the fulfillment of
my obligation of encouraging virtue and forbidding
vice(amr bil al-ma ruf wa nahi an al-munkar).”

                      -Imam al -Husayn