Sunan Ibn Majah 993
سنن ابن ماجه#993Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنْ شُعْبَةَ، ح وَحَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ، حَدَّثَنَا أَبِي وَبِشْرُ بْنُ عُمَرَ، قَالاَ حَدَّثَنَا شُعْبَةُ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " سَوُّوا صُفُوفَكُمْ فَإِنَّ تَسْوِيَةَ الصُّفُوفِ مِنْ تَمَامِ الصَّلاَةِ " .
It was narrated that Anas bin Malik said:“The Messenger of Allah (ﷺ) said: ‘Make your rows straight, for straightening the rows is part of completing the prayer.’”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 5:191