Quran 17:9 from Surah Al-Israa on Divine Marvels.
إِنَّ هَٰذَا ٱلۡقُرۡءَانَ يَهۡدِي لِلَّتِي هِيَ أَقۡوَمُ وَيُبَشِّرُ ٱلۡمُؤۡمِنِينَ ٱلَّذِينَ يَعۡمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمۡ أَجۡرٗا كَبِيرٗا
English translation: Indeed this the Quran guides to that which (is) most straight and gives glad tidings to the believers those who do the righteous deeds that for them (is) a reward great
Transliteration: inna hadha al-qur'ana yahdi lillati hiya aqwamu wayubashiru al-mu'minina alladhina ya'maluna al-salihati anna lahum ajran kabiran