Let there arise out of you a group of people inviting to all that is
good (Islam), enjoining Al-Ma'roof (whatever is good) and
forbidding Al-Munkar (whatever is evil). And it is they who are
successful.
Qur'an 3.104
“And that those on whom Knowledge has been bestowed may learn that (the Qur’an) is the Truth from your Rabb (Cherisher and Sustainer), and that they may believe therein, and their hearts may be made humbly (open) to it: for verily Allah is the Guide of those who believe to the Straight Way.” Qur'an 22.54