And whoever seeks a religion other than Islam, it will never be accepted of him, and in the Hereafter he will be one of the losers.
Fight against those who (1) believe not in Allah, (2) nor in the Lst Day, (3) nor forbid that which has been forbidden by Allah and His messenger (4) and those who acknowledge not the religion of truth (i.e.; Islam) among the people of the Scripture (jews and christians), until they pay the Jizyah with willing submission, and feel themselves subdued.
O you who believe! Take not the Jews and the Christians as Auliya' (friends, protectors, helpers, etc.), they are but auliya' to one another. And if any amongst you takes them as Auliya', then surely he is one of them. Verily, Allah guides not those people who are the Zalimun (polytheists and wrong doers and unjust)