Re: Islaamic isolation?
Allah says: “O ye who believe, truly the pagans are unclean; so let them not, after this year of theirs, approach the sacred mosque” [Sûrah al-Tawbah 9: 28].
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I think this is regarded as an injunction forbidding pagans from performing Hajj, for the purpose of worshipping their pagan gods in the sacred mosque. It is not regarded by many scholars, as an injunction against inviting non muslims to learn about Islam. Hence, the authority with the imam to be cognizant.
regards
bob