1)"If it had been the will of your Lord that all the people of the world should be believers, all the people of the earth would have believed! Would you then compel mankind against their will to believe?" (10:99);
2)"If they turn away from thee (O Muhammad) they should know that we have not sent you to be their keeper. Your only duty is to convey My message." (42:48);
3)"Let there be no compulsion in religion." (2:256)"