He (Allah) has ordained for you the same religion (Islamic Monotheism) which He ordained for Nuh (Noah),  and that which We have revealed to you (O Muhammad Sal-lalaho Alai Wasallim) and that which We ordained for Ibrahim (Abraham), Musa (Moses) and Isa (Jesus) saying you should establish religion (i.e. to do what it orders you to do practically), and make no divisions in it (religion) (i.e. various sects in religion). (Al-Quran 42:13)

     Say (O Muhammad Sal-lalaho Alai Wasallim): "We believe in Allah and in what has been sent down to us, and what was sent down to Ibrahim (Abraham), Ismail (Ishmael), Ishaq (Issac), Yaqub (Jacob) and Al-Asbat {the offspring of the twelve sons of Yaqub (Jacob)} and what was given to Musa (Moses), Isa (Jesus) and the Prophets from their Lord. We make no distinction between one another among them and to Him (Allah) we have submitted (in Islam)." (Al-Quran 3:84)


    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. (Al-Quran 3:85)


     And verily this your religion (of Islamic Monotheism) is one religion, and I am your Lord, so keep your duty to Me. (Al-Quran 23-52)