(Isra) 17 : 9
إِنَّ هَٰذَا الْقُرْآنَ يَهْدِي لِلَّتِي هِيَ أَقْوَمُ وَيُبَشِّرُ الْمُؤْمِنِينَ الَّذِينَ يَعْمَلُونَ الصَّالِحَاتِ أَنَّ لَهُمْ أَجْرًا كَبِيرًا

Indeed, this Reading guides into the best path of everything which is most; and It is giving Herald to the believers who are doing righteous deeds that they will have a great reward.

Adhikr is nothing but a Manifest Reading and Reminder as told in verse 36: 69. It is the Glorious Reading as told in verse 85: 20. It is the Noble Reading as told in verse 56: 77. Adhikr is the Book for purifying the soul as told in verse 98: 2. The believer can remind only the one who follows Adhikr as explained in verses 2: 6-7. See explanation 2: 185-186; 3: 79-80; 16: 89 and 105.