وَعَنْ أُمِّ هِشَامٍ بِنْتِ حَارِثَةَ رَضِيَ اَللَّهُ عَنْهَا
قَالَتْ: «مَا أَخَذْتُ: «ق وَالْقُرْآنِ اَلْمَجِيدِ«, إِلَّا عَنْ لِسَانِ رَسُولِ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقْرَؤُهَا كُلَّ جُمُعَةٍ عَلَى اَلْمِنْبَرِ إِذَا خَطَبَ اَلنَّاسَ»
I learnt Surat Qaf (Chapter 50) from no other source than the tongue of the Messenger of Allah (sallallahu alayhi wa sallam) who used to recite it every Friday on the pulpit when he delivered the Khutbah (sermon) to the people..
Bulugh al-Maram 548, Book 2, The Book of Prayer, Hadith 369. 1 min read