yet all that they had been commanded was that they serve allah with utter sincerity devoting themselves exclusively to him and that they establish prayer and pay zakah. that is the right faith.
وما أمروا إلا ليعبدوا الله مخلصين له الدين حنفاء ويقيموا الصلاة ويؤتوا الزكاة وذلك دين القيمة