Mishkat
al-Masabih
مشكاة المصابيح
Prayer
كتاب الصلاة
Chapter 13c: What is Recited During the Prayer - Section 3
باب القراءة في الصلاة - الفصل الثالث
Mishkat al-Masabih 866
‘Amr b. Shu'aib on his father’s authority quoted his grandfather as saying, “There is no short or long sura in al-Mufassal* which I have not heard Allah's Messenger ﷺ reciting when he led the people in the prescribed prayer.” * A name applied to the latter part of the Qur’an because there are many divisions, but opinions differ about where it begins. Lane mentions the different views in his Lexicon, pp 2407 f., saying the most correct opinion is that it begins with sura 49. Malik transmitted it.
وَعَنْ عَمْرِو بْنِ شُعَيْبٍ عَنْ أَبِيهِ عَنْ جَدِّهِ قَالَ: مَا مِنَ الْمُفَصَّلِ سُورَةٌ صَغِيرَةٌ وَلَا كَبِيرَةٌ إِلَّا قَدْ سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَؤُمُّ بِهَا النَّاسَ فِي الصَّلَاة الْمَكْتُوبَة. رَوَاهُ مَالك