"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 · Book 65 · Hadith 4870

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 كَانَ يَقْرَأُ ‏{‏فَهَلْ مِنْ مُدَّكِرٍ‏}‏‏.‏

Narrated `Abdullah bin Masud: The Prophet (ﷺ) used to recite: "Fahal-min-Maddakir (then is there any that will receive admonition?")