صَحِيحُ مُسْلِمٍ
Sahih Muslim 433
The Book of Prayers
Straightening The Rows; The Virtue Of The Front Row And Then The Next; Competing With One Another For The Front Row; The People Of Virtue Should Take Precedence And Be Closest To The Imam
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ قَالاَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، قَالَ سَمِعْتُ قَتَادَةَ، يُحَدِّثُ عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم سَوُّوا صُفُوفَكُمْ فَإِنَّ تَسْوِيَةَ الصَّفِّ مِنْ تَمَامِ الصَّلاَةِ .
Anas b. Malik reported: The Messenger of Allah (ﷺ) said: Straighten your rows. for the straightening of a row is a part of the perfection of prayer.
Sahih Muslim, 433Sahihصحيح