It wasnarrated that Jabir bin Samurah As-Suwa'i said:
"The Messenger ofAllah (ﷺ) said: 'Will you not form your rows as the angels formtheir rows before their Lord?' We said: 'How do the angels formtheir rows before their Lord?' He said: 'They complete the firstrow and they stand close of one another in the line (leaving no gapsbetween one another).'"
English reference: Vol. 1, Book 5, Hadith 992
Arabic reference: Book 5, Hadith 1045