We have nothing except the Book of Allah and this written paper from the Prophet (wherein iswritten:) Medina is a sanctuary from the 'Air Mountain to such and such a place, and whoeverinnovates in it an heresy or commits a sin, or gives shelter to such an innovator in it will incur thecurse of Allah, the angels, and all the people, none of his compulsory or optional good deeds ofworship will be accepted. And the asylum (of protection) granted by any Muslim is to be secured(respected) by all the other Muslims; and whoever betrays a Muslim in this respect incurs the curse ofAllah, the angels, and all the people, and none of his compulsory or optional good deeds of worshipwill be accepted, and whoever (freed slave) befriends (take as masters) other than his manumitterswithout their permission incurs the curse of Allah, the angels, and all the people, and none of hiscompulsory or optional good deeds of worship will be accepted.