William Muir,
The Caliphate: Its Rise, Decline and Fall…
“ The wild Bedawin entered the tent of Khalid, and, but for the chivalry of her captive, who conjured his countrymen to spare a lady of noble birth, Leila would have perished by their swords. "Go, fight against men," Maja'a cried, "and leave this woman," on which they cut the tent-ropes and departed. There was danger for Islam at the moment. Defeat would have been disastrous; indeed, the Faith could hardly have survived. But now the spirit of the Muslims was aroused. To stimulate rivalry between the Bedawin and City Arabs of his force, Khalid made them to fight apart. ”
