"And We have indeed made the Qur'an easy to understand and remember; then is there any one who will remember (or receive admonition)?" (V.54:17) Sahih al-Bukhari 4870
Arabic hadith text
حَدَّثَنَا مُسَدَّدٌ، عَنْ يَحْيَى، عَنْ شُعْبَةَ، عَنْ أَبِي إِسْحَاقَ، عَنِ الأَسْوَدِ، عَنْ عَبْدِ اللَّهِ ـ رضى الله عنه ـ عَنِ النَّبِيِّ صلى الله عليه وسلم. أَنَّهُ كَانَيَقْرَأُ {فَهَلْ مِنْ مُدَّكِرٍ}.
Translation
Narrated `Abdullah bin Masud
The Prophet (ﷺ) used to recite: "Fahal-min-Maddakir (then is there any that will receive admonition?")