Al-Isra 17:9

Inna hatha alqur-ana yahdeelillatee hiya aqwamu wayubashshiru almu/mineena allatheenayaAAmaloona assalihati anna lahum ajrankabeera

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

Surely, this Qur’ān guides to something that is most straightforward, and gives glad tidings to the believers who do good deeds that ready for them there is a great reward,