Quran 3:104 from Surah Aal-i-Imraan on Divine Marvels.
وَلۡتَكُن مِّنكُمۡ أُمَّةٞ يَدۡعُونَ إِلَى ٱلۡخَيۡرِ وَيَأۡمُرُونَ بِٱلۡمَعۡرُوفِ وَيَنۡهَوۡنَ عَنِ ٱلۡمُنكَرِۚ وَأُوْلَٰٓئِكَ هُمُ ٱلۡمُفۡلِحُونَ
English translation: And let there be among you [a] people inviting to the good [and] enjoining the right and forbidding from the wrong and those they (are) the successful ones
Transliteration: waltakun minkum ummatun yad'una ila al-khayri wayamuruna bil-ma'rufi wayanhawna ani al-munkari wa-ulaika humu al-muf'lihuna