Why is islam a religion closing. The question we sametimes encouter with sameone''s mind.Basically all the religious teachings right.And soursed from Almighty GOD which started from the book of the taurot zabur ago,and following the testimony of the gospel in the book-the book has not been explained in the book of GOD is to be made in the book of the book covers only Al Qur''an that GOD Almighty explained that AlQur''an and the prophet who is also predicate rosul explain as GOD in the book and the massengger/ prophet last.But explained also in AlQur''an cover koum that there must be opposed and dit not believe (kufr) and trying to overthrow if GOD is not lowering the book of AlQur''an as a book cover maybe book-previous book the guide but the fact we now GOD willed no man that must and compulsory following the last book of revelation as the basisfor guidance in running the wheel of life and as a basis for the low of life...... within islam it self teaches as to be good as well in the meaning of ummah can be role models in the lead wheel of life.