Ali 'Imran 3:104

Waltakun minkum ommatun yadAAoona ilaalkhayri waya/muroona bilmaAAroofi wayanhawna AAanialmunkari waola-ika humu almuflihoon

And let there be [arising] from you a nation inviting to [all that is] good, enjoining what is right and forbidding what is wrong, and those will be the successful.

There has to be a group of people from among you who call towards the good, and bid the Fair and forbid the Unfair. And it is these who are successful.