(Thwaha) 20 : 2
مَا أَنْزَلْنَا عَلَيْكَ الْقُرْآنَ لِتَشْقَىٰ
We have not sent down this Reading upon you to distress you.
All 313 Messengers are sent down with Adhikr as explained in verses 16: 43-44. Not Arabic Quran but Adhikr is to be read repeatedly. The people of the last Messenger by hiding and rejecting Adhikr have become the Arabic Quran reading Fujjar whose ledger is in Sijjeen as mentioned in verse 83: 7. See explanation 9: 67-68; 11: 105-107 and 18: 49.