"...so that they may learn about the religion of Allah, so that Allah’s call will spread among His servants….In summary, those who come from a land at war with Muslims to the area of Islam, delivering a message, for business transactions, to negotiate a peace treaty, to pay the Jizyah, to offer an end to hostilities, and so forth, and request safe passage from Muslim leaders or their deputies, should be granted safe passage, as long as they remain in Muslim areas, until they go back to their land and sanctuary."