He also says, “You are the best nation ever raised for mankind: you enjoin what is right and forbid what is wrong.” ⦗Āl ʿImrān 3:110⦘
And He says, “Accept what is easy, enjoin what is customary, and turn away from the ignorant.” ⦗Al-Aʿrāf 7:199⦘
He says as well, “The believing men and believing women are allies of one another;(1) they enjoin what is right and forbid what is wrong.” ⦗At-Tawbah 9:71⦘
He also says, “Those of the Children of Israel who disbelieved were cursed by the tongue of David and Jesus, son of Mary. That was because they disobeyed and used to transgress. They would not forbid one another the evil they committed;(2) how wretched was what they used to do.” ⦗Al-Māʾidah 5:78⦘
And He says, “Say, ‘The truth is from your Lord; so whoever wills—let him believe, and whoever wills—let him disbelieve.’” ⦗Al-Kahf 18:29⦘
He says, “So proclaim(3) what you have been commanded.” ⦗Al-Ḥijr 15:94⦘
He says, “Then We delivered those who forbade evil and seized the wrongdoers with a grievous punishment,(4) because of the corruption they used to practice.” ⦗Al-Aʿrāf 7:165⦘
The verses dealing with this topic are many and well known.
As for the hadiths:
189 – First: Abū Saʿīd al-Khudrī (may Allah be pleased with him) said: I heard the Messenger of Allah ﷺ say, “Whoever among you sees an evil must change it with his hand; if he cannot, then with his tongue; if he cannot, then with his heart—and that is the weakest level of faith.” Narrated by Muslim.
190 – Second: Ibn Masʿūd (may Allah be pleased with him) reported that the Messenger of Allah ﷺ said, “No prophet was ever sent by Allah to any ummah before me except that he had ḥawārīyūn(5) and companions who followed his sunnah and obeyed his command. Then there came after them generations(6) who said what they did not do, and they did …”