(Imām Bukhārī narrates): Abū al-Walīd Hishām ibn 'Abdul-Malik narrated to us, he said: Shu'bah narrated to us, he said: 'Amr ibn Murrah informed me, he said: I heard Sālim ibn Abī al-Ja'd, he said: I heard al-Nu'mān ibn Bashīr, he narrated that the Prophet ﷺ said:

You must indeed keep your rows straight, or Allāh will turn your faces to the back of your necks.