William Muir,
The Caliphate: Its Rise, Decline and Fall…
“ The Byzantine army, it is true, had Bedawi auxiliaries as numerous, perhaps, as the whole Muslim army. But their spirit widely differed. The fealty of the Syrian Arab was lax and loose. Christian in name, the yoke of his faith sat lightly on him. Indeed, throughout the empire, Christianity was eaten up of strife and rancour. With reinforcements came a troop of Monks and Bishops, who, bearing banners, waving gold crosses, and shouting that the faith was in jeopardy, sought thus to rouse the passion of the army. The passion roused was often but the scowl of hatred. ”
