Surah Al-Isra, Verse 9

إِنَّ هَٰذَا ٱلۡقُرۡءَانَ يَهۡدِي لِلَّتِي هِيَ أَقۡوَمُ وَيُبَشِّرُ ٱلۡمُؤۡمِنِينَ ٱلَّذِينَ يَعۡمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمۡ أَجۡرٗا كَبِيرٗا٩

inna hādhā l-qur'āna yahdī lillatī hiya aqwamu wayubashiru l-mu'minīna alladhīna yaʿmalūna l-ṣāliḥāti anna lahum ajran kabīran

Indeed, this Qur’ān guides to that which is most suitable and gives good tidings to the believers who do righteous deeds that they will have a great reward