﴿ إِنَّ هَٰذَا ٱلْقُرْءَانَ يَهْدِى لِلَّتِى هِىَ أَقْوَمُ وَيُبَشِّرُ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمْ أَجْرًۭا كَبِيرًۭا ﴾

“VERILY, this Qur'an shows the way to all that is most upright, and gives the believers who do good deeds the glad tiding that theirs will be a great reward;”

Please check ayah 17:10 for complete tafsir.