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
This Qur’ān that is revealed to Muhammad (peace be on him) guides to the best way, which is the way of Islam, and it informs those who have faith in Allah and who do good deeds of something that will please them, which is that they will receive a great reward from Allah.