The Command To The Imam To Make The Prayer Brief But Complete Sahih Muslim 470 a

Arabic hadith text
وَحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا جَعْفَرُ بْنُ سُلَيْمَانَ، عَنْ ثَابِتٍ الْبُنَانِيِّ، عَنْ أَنَسٍ، قَالَ أَنَسٌ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلميَسْمَعُ بُكَاءَ الصَّبِيِّ مَعَ أُمِّهِ وَهُوَ فِي الصَّلاَةِ فَيَقْرَأُ بِالسُّورَةِ الْخَفِيفَةِ أَوْ بِالسُّورَةِ الْقَصِيرَةِ ‏.‏
Translation
Anas reported

The Messenger of Allah (ﷺ) would listen to the crying of a lad in the company of his mother, in prayer, and he would recite a short surah or a small surah.