الجهاد والسير : Hadeeth No:4360
It has been narrated on the authority of 'Umar b. al-Khattab who said: When it was the day on which the Battle of Badr was fought, the Messenger of Allaah (sallAllaahu alayhi wa sallam) cast a glance at the infidels, and they were one thousand while his own Companions were three hundred and nineteen...