Waltakum minkum ummatuny yad'oona ilal khairi wa yaamuroona bilma 'roofi wa yanhawna 'anil munkar; wa ulaaa'ika humul muflihoon
And from among you there must be a party who invite people to all that is good and enjoin the doing of all that is right and forbid the doing of all that is wrong. It is they who will attain true success.
