The Book of Prayers (Kitab Al-Salat) 
Muslim :: Book 4 : Hadith 874
Nu'man b. Bashir reported: I heard the Messenger of Allah (may peace be upon him) say: Straighten your rows, or Allah would create dissension amongst you.
The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 874
Nu'man b. Bashir reported: I heard the Messenger of Allah (may peace be upon him) say: Straighten your rows, or Allah would create dissension amongst you.