(28) باب تَسْوِيَةِ الصُّفُوفِ وَإِقَامَتِهَا وَفَضْلِ الأَوَّلِ فَالأَوَّلِ مِنْهَا وَالاِزْدِحَامِ عَلَى الصَّفِّ الأَوَّلِ وَالْمُسَابَقَةِ إِلَيْهَا وَتَقْدِيمِ أُولِي الْفَضْلِ وَتَقْرِيبِهِمْ مِنَ الإِمَامِ
Nu'man b. Bashir reported:
I heard the Messenger of Allah (ﷺ) say: Straighten your rows, or Allah would create dissension amongst you. (DE)
Reference (DE): Sahih Muslim 436 a (DE)
In-book reference (DE): Book 4, Hadith 140 (DE)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 874 (DE)